Home / 80,925.14-121,387.71-36,527.42

Finding the Fourth Proportional to 80,925.14, 121,387.71 and 36,527.42

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Solution

The fourth proportional to 80,925.14, 121,387.71 and 36,527.42 is: 54,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.14 : 121,387.71 = 36,527.42 : x
  2. Step 2: Convert to fraction form
    80,925.14/121,387.71 = 36,527.42/x
  3. Step 3: Cross multiply
    80,925.14x = 121,387.71 × 36,527.42
  4. Step 4: Simplify right side
    80,925.14x = 4,433,980,306.46
  5. Step 5: Solve for x
    x = 4,433,980,306.46/80,925.14
  6. Step 6: Final answer
    x = 54,791.13

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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.