Home / 90,374.27-124,721.08-52,119.59

Finding the Fourth Proportional to 90,374.27, 124,721.08 and 52,119.59

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Solution

The fourth proportional to 90,374.27, 124,721.08 and 52,119.59 is: 71,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.27 : 124,721.08 = 52,119.59 : x
  2. Step 2: Convert to fraction form
    90,374.27/124,721.08 = 52,119.59/x
  3. Step 3: Cross multiply
    90,374.27x = 124,721.08 × 52,119.59
  4. Step 4: Simplify right side
    90,374.27x = 6,500,411,553.96
  5. Step 5: Solve for x
    x = 6,500,411,553.96/90,374.27
  6. Step 6: Final answer
    x = 71,927.68

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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.