Home / 90,513.74-124,933.17-56,501.73

Finding the Fourth Proportional to 90,513.74, 124,933.17 and 56,501.73

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Solution

The fourth proportional to 90,513.74, 124,933.17 and 56,501.73 is: 77,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,513.74 : 124,933.17 = 56,501.73 : x
  2. Step 2: Convert to fraction form
    90,513.74/124,933.17 = 56,501.73/x
  3. Step 3: Cross multiply
    90,513.74x = 124,933.17 × 56,501.73
  4. Step 4: Simplify right side
    90,513.74x = 7,058,940,239.38
  5. Step 5: Solve for x
    x = 7,058,940,239.38/90,513.74
  6. Step 6: Final answer
    x = 77,987.50

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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.