Home / 74,337.30-111,505.95-52,175.70

Finding the Fourth Proportional to 74,337.30, 111,505.95 and 52,175.70

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Solution

The fourth proportional to 74,337.30, 111,505.95 and 52,175.70 is: 78,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,337.30 : 111,505.95 = 52,175.70 : x
  2. Step 2: Convert to fraction form
    74,337.30/111,505.95 = 52,175.70/x
  3. Step 3: Cross multiply
    74,337.30x = 111,505.95 × 52,175.70
  4. Step 4: Simplify right side
    74,337.30x = 5,817,900,995.42
  5. Step 5: Solve for x
    x = 5,817,900,995.42/74,337.30
  6. Step 6: Final answer
    x = 78,263.55

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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.