Home / 52,130.10-78,195.15-17,073.30

Finding the Fourth Proportional to 52,130.10, 78,195.15 and 17,073.30

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Solution

The fourth proportional to 52,130.10, 78,195.15 and 17,073.30 is: 25,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.10 : 78,195.15 = 17,073.30 : x
  2. Step 2: Convert to fraction form
    52,130.10/78,195.15 = 17,073.30/x
  3. Step 3: Cross multiply
    52,130.10x = 78,195.15 × 17,073.30
  4. Step 4: Simplify right side
    52,130.10x = 1,335,049,254.50
  5. Step 5: Solve for x
    x = 1,335,049,254.50/52,130.10
  6. Step 6: Final answer
    x = 25,609.95

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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.