Home / 96,015.90-144,023.85-86,339.10

Finding the Fourth Proportional to 96,015.90, 144,023.85 and 86,339.10

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Solution

The fourth proportional to 96,015.90, 144,023.85 and 86,339.10 is: 129,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,015.90 : 144,023.85 = 86,339.10 : x
  2. Step 2: Convert to fraction form
    96,015.90/144,023.85 = 86,339.10/x
  3. Step 3: Cross multiply
    96,015.90x = 144,023.85 × 86,339.10
  4. Step 4: Simplify right side
    96,015.90x = 12,434,889,587.54
  5. Step 5: Solve for x
    x = 12,434,889,587.54/96,015.90
  6. Step 6: Final answer
    x = 129,508.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.