Home / 60,418.14-90,590.55-51,538.11

Finding the Fourth Proportional to 60,418.14, 90,590.55 and 51,538.11

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Solution

The fourth proportional to 60,418.14, 90,590.55 and 51,538.11 is: 77,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,418.14 : 90,590.55 = 51,538.11 : x
  2. Step 2: Convert to fraction form
    60,418.14/90,590.55 = 51,538.11/x
  3. Step 3: Cross multiply
    60,418.14x = 90,590.55 × 51,538.11
  4. Step 4: Simplify right side
    60,418.14x = 4,668,865,730.86
  5. Step 5: Solve for x
    x = 4,668,865,730.86/60,418.14
  6. Step 6: Final answer
    x = 77,275.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.