Home / 113,385.11-156,471.47-62,397.84

Finding the Fourth Proportional to 113,385.11, 156,471.47 and 62,397.84

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Solution

The fourth proportional to 113,385.11, 156,471.47 and 62,397.84 is: 86,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,385.11 : 156,471.47 = 62,397.84 : x
  2. Step 2: Convert to fraction form
    113,385.11/156,471.47 = 62,397.84/x
  3. Step 3: Cross multiply
    113,385.11x = 156,471.47 × 62,397.84
  4. Step 4: Simplify right side
    113,385.11x = 9,763,481,437.64
  5. Step 5: Solve for x
    x = 9,763,481,437.64/113,385.11
  6. Step 6: Final answer
    x = 86,109.03

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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.