Home / 113,731.54-156,949.06-62,747.50

Finding the Fourth Proportional to 113,731.54, 156,949.06 and 62,747.50

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Solution

The fourth proportional to 113,731.54, 156,949.06 and 62,747.50 is: 86,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,731.54 : 156,949.06 = 62,747.50 : x
  2. Step 2: Convert to fraction form
    113,731.54/156,949.06 = 62,747.50/x
  3. Step 3: Cross multiply
    113,731.54x = 156,949.06 × 62,747.50
  4. Step 4: Simplify right side
    113,731.54x = 9,848,161,142.35
  5. Step 5: Solve for x
    x = 9,848,161,142.35/113,731.54
  6. Step 6: Final answer
    x = 86,591.29

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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.