Home / 76,720.35-114,937.97-41,689.47

Finding the Fourth Proportional to 76,720.35, 114,937.97 and 41,689.47

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Solution

The fourth proportional to 76,720.35, 114,937.97 and 41,689.47 is: 62,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,720.35 : 114,937.97 = 41,689.47 : x
  2. Step 2: Convert to fraction form
    76,720.35/114,937.97 = 41,689.47/x
  3. Step 3: Cross multiply
    76,720.35x = 114,937.97 × 41,689.47
  4. Step 4: Simplify right side
    76,720.35x = 4,791,702,843.73
  5. Step 5: Solve for x
    x = 4,791,702,843.73/76,720.35
  6. Step 6: Final answer
    x = 62,456.74

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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.