Home / 90,301.70-124,605.61-52,073.75

Finding the Fourth Proportional to 90,301.70, 124,605.61 and 52,073.75

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Solution

The fourth proportional to 90,301.70, 124,605.61 and 52,073.75 is: 71,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.70 : 124,605.61 = 52,073.75 : x
  2. Step 2: Convert to fraction form
    90,301.70/124,605.61 = 52,073.75/x
  3. Step 3: Cross multiply
    90,301.70x = 124,605.61 × 52,073.75
  4. Step 4: Simplify right side
    90,301.70x = 6,488,681,565.07
  5. Step 5: Solve for x
    x = 6,488,681,565.07/90,301.70
  6. Step 6: Final answer
    x = 71,855.58

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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.