Home / 52,331.40-78,497.10-43,059.90

Finding the Fourth Proportional to 52,331.40, 78,497.10 and 43,059.90

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Solution

The fourth proportional to 52,331.40, 78,497.10 and 43,059.90 is: 64,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,331.40 : 78,497.10 = 43,059.90 : x
  2. Step 2: Convert to fraction form
    52,331.40/78,497.10 = 43,059.90/x
  3. Step 3: Cross multiply
    52,331.40x = 78,497.10 × 43,059.90
  4. Step 4: Simplify right side
    52,331.40x = 3,380,077,276.29
  5. Step 5: Solve for x
    x = 3,380,077,276.29/52,331.40
  6. Step 6: Final answer
    x = 64,589.85

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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.