Home / 94,078.53-129,889.17-58,306.50

Finding the Fourth Proportional to 94,078.53, 129,889.17 and 58,306.50

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Solution

The fourth proportional to 94,078.53, 129,889.17 and 58,306.50 is: 80,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.53 : 129,889.17 = 58,306.50 : x
  2. Step 2: Convert to fraction form
    94,078.53/129,889.17 = 58,306.50/x
  3. Step 3: Cross multiply
    94,078.53x = 129,889.17 × 58,306.50
  4. Step 4: Simplify right side
    94,078.53x = 7,573,382,890.61
  5. Step 5: Solve for x
    x = 7,573,382,890.61/94,078.53
  6. Step 6: Final answer
    x = 80,500.65

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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.