Home / 81,737.29-112,871.24-51,576.13

Finding the Fourth Proportional to 81,737.29, 112,871.24 and 51,576.13

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Solution

The fourth proportional to 81,737.29, 112,871.24 and 51,576.13 is: 71,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.29 : 112,871.24 = 51,576.13 : x
  2. Step 2: Convert to fraction form
    81,737.29/112,871.24 = 51,576.13/x
  3. Step 3: Cross multiply
    81,737.29x = 112,871.24 × 51,576.13
  4. Step 4: Simplify right side
    81,737.29x = 5,821,461,747.50
  5. Step 5: Solve for x
    x = 5,821,461,747.50/81,737.29
  6. Step 6: Final answer
    x = 71,221.61

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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.