Home / 83,614.81-115,387.85-45,373.38

Finding the Fourth Proportional to 83,614.81, 115,387.85 and 45,373.38

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Solution

The fourth proportional to 83,614.81, 115,387.85 and 45,373.38 is: 62,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,614.81 : 115,387.85 = 45,373.38 : x
  2. Step 2: Convert to fraction form
    83,614.81/115,387.85 = 45,373.38/x
  3. Step 3: Cross multiply
    83,614.81x = 115,387.85 × 45,373.38
  4. Step 4: Simplify right side
    83,614.81x = 5,235,536,967.61
  5. Step 5: Solve for x
    x = 5,235,536,967.61/83,614.81
  6. Step 6: Final answer
    x = 62,614.95

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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.