Home / 81,265.27-112,146.07-52,970.96

Finding the Fourth Proportional to 81,265.27, 112,146.07 and 52,970.96

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Solution

The fourth proportional to 81,265.27, 112,146.07 and 52,970.96 is: 73,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,265.27 : 112,146.07 = 52,970.96 : x
  2. Step 2: Convert to fraction form
    81,265.27/112,146.07 = 52,970.96/x
  3. Step 3: Cross multiply
    81,265.27x = 112,146.07 × 52,970.96
  4. Step 4: Simplify right side
    81,265.27x = 5,940,484,294.97
  5. Step 5: Solve for x
    x = 5,940,484,294.97/81,265.27
  6. Step 6: Final answer
    x = 73,099.92

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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.