Home / 83,108.25-114,649.43-49,107.69

Finding the Fourth Proportional to 83,108.25, 114,649.43 and 49,107.69

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Solution

The fourth proportional to 83,108.25, 114,649.43 and 49,107.69 is: 67,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.25 : 114,649.43 = 49,107.69 : x
  2. Step 2: Convert to fraction form
    83,108.25/114,649.43 = 49,107.69/x
  3. Step 3: Cross multiply
    83,108.25x = 114,649.43 × 49,107.69
  4. Step 4: Simplify right side
    83,108.25x = 5,630,168,421.58
  5. Step 5: Solve for x
    x = 5,630,168,421.58/83,108.25
  6. Step 6: Final answer
    x = 67,745.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.