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Finding the Fourth Proportional to 83,275.67, 114,923.15 and 45,549.89

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Solution

The fourth proportional to 83,275.67, 114,923.15 and 45,549.89 is: 62,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,275.67 : 114,923.15 = 45,549.89 : x
  2. Step 2: Convert to fraction form
    83,275.67/114,923.15 = 45,549.89/x
  3. Step 3: Cross multiply
    83,275.67x = 114,923.15 × 45,549.89
  4. Step 4: Simplify right side
    83,275.67x = 5,234,736,613.20
  5. Step 5: Solve for x
    x = 5,234,736,613.20/83,275.67
  6. Step 6: Final answer
    x = 62,860.34

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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.