Home / 92,672.24-137,816.17-89,719.79

Finding the Fourth Proportional to 92,672.24, 137,816.17 and 89,719.79

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Solution

The fourth proportional to 92,672.24, 137,816.17 and 89,719.79 is: 133,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.24 : 137,816.17 = 89,719.79 : x
  2. Step 2: Convert to fraction form
    92,672.24/137,816.17 = 89,719.79/x
  3. Step 3: Cross multiply
    92,672.24x = 137,816.17 × 89,719.79
  4. Step 4: Simplify right side
    92,672.24x = 12,364,836,917.62
  5. Step 5: Solve for x
    x = 12,364,836,917.62/92,672.24
  6. Step 6: Final answer
    x = 133,425.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.