Home / 83,424.41-115,127.54-47,613.69

Finding the Fourth Proportional to 83,424.41, 115,127.54 and 47,613.69

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Solution

The fourth proportional to 83,424.41, 115,127.54 and 47,613.69 is: 65,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.41 : 115,127.54 = 47,613.69 : x
  2. Step 2: Convert to fraction form
    83,424.41/115,127.54 = 47,613.69/x
  3. Step 3: Cross multiply
    83,424.41x = 115,127.54 × 47,613.69
  4. Step 4: Simplify right side
    83,424.41x = 5,481,646,761.95
  5. Step 5: Solve for x
    x = 5,481,646,761.95/83,424.41
  6. Step 6: Final answer
    x = 65,707.95

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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.