Home / 113,463.12-156,577.78-62,474.80

Finding the Fourth Proportional to 113,463.12, 156,577.78 and 62,474.80

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Solution

The fourth proportional to 113,463.12, 156,577.78 and 62,474.80 is: 86,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.12 : 156,577.78 = 62,474.80 : x
  2. Step 2: Convert to fraction form
    113,463.12/156,577.78 = 62,474.80/x
  3. Step 3: Cross multiply
    113,463.12x = 156,577.78 × 62,474.80
  4. Step 4: Simplify right side
    113,463.12x = 9,782,165,489.94
  5. Step 5: Solve for x
    x = 9,782,165,489.94/113,463.12
  6. Step 6: Final answer
    x = 86,214.49

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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.