Home / 67,514.85-93,160.80-38,440.71

Finding the Fourth Proportional to 67,514.85, 93,160.80 and 38,440.71

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Solution

The fourth proportional to 67,514.85, 93,160.80 and 38,440.71 is: 53,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.85 : 93,160.80 = 38,440.71 : x
  2. Step 2: Convert to fraction form
    67,514.85/93,160.80 = 38,440.71/x
  3. Step 3: Cross multiply
    67,514.85x = 93,160.80 × 38,440.71
  4. Step 4: Simplify right side
    67,514.85x = 3,581,167,296.17
  5. Step 5: Solve for x
    x = 3,581,167,296.17/67,514.85
  6. Step 6: Final answer
    x = 53,042.66

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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.