Home / 56,708-78,251.94-32,836.28

Finding the Fourth Proportional to 56,708, 78,251.94 and 32,836.28

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Solution

The fourth proportional to 56,708, 78,251.94 and 32,836.28 is: 45,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708 : 78,251.94 = 32,836.28 : x
  2. Step 2: Convert to fraction form
    56,708/78,251.94 = 32,836.28/x
  3. Step 3: Cross multiply
    56,708x = 78,251.94 × 32,836.28
  4. Step 4: Simplify right side
    56,708x = 2,569,502,612.38
  5. Step 5: Solve for x
    x = 2,569,502,612.38/56,708
  6. Step 6: Final answer
    x = 45,311.11

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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.