Home / 62,276.25-85,980.11-39,959.13

Finding the Fourth Proportional to 62,276.25, 85,980.11 and 39,959.13

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Solution

The fourth proportional to 62,276.25, 85,980.11 and 39,959.13 is: 55,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,276.25 : 85,980.11 = 39,959.13 : x
  2. Step 2: Convert to fraction form
    62,276.25/85,980.11 = 39,959.13/x
  3. Step 3: Cross multiply
    62,276.25x = 85,980.11 × 39,959.13
  4. Step 4: Simplify right side
    62,276.25x = 3,435,690,193.11
  5. Step 5: Solve for x
    x = 3,435,690,193.11/62,276.25
  6. Step 6: Final answer
    x = 55,168.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.