Home / 74,591.04-102,726.72-61,898.88

Finding the Fourth Proportional to 74,591.04, 102,726.72 and 61,898.88

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Solution

The fourth proportional to 74,591.04, 102,726.72 and 61,898.88 is: 85,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.04 : 102,726.72 = 61,898.88 : x
  2. Step 2: Convert to fraction form
    74,591.04/102,726.72 = 61,898.88/x
  3. Step 3: Cross multiply
    74,591.04x = 102,726.72 × 61,898.88
  4. Step 4: Simplify right side
    74,591.04x = 6,358,668,914.07
  5. Step 5: Solve for x
    x = 6,358,668,914.07/74,591.04
  6. Step 6: Final answer
    x = 85,247.09

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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.