Home / 113,586.78-156,750.82-62,601.38

Finding the Fourth Proportional to 113,586.78, 156,750.82 and 62,601.38

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Solution

The fourth proportional to 113,586.78, 156,750.82 and 62,601.38 is: 86,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,586.78 : 156,750.82 = 62,601.38 : x
  2. Step 2: Convert to fraction form
    113,586.78/156,750.82 = 62,601.38/x
  3. Step 3: Cross multiply
    113,586.78x = 156,750.82 × 62,601.38
  4. Step 4: Simplify right side
    113,586.78x = 9,812,817,648.13
  5. Step 5: Solve for x
    x = 9,812,817,648.13/113,586.78
  6. Step 6: Final answer
    x = 86,390.49

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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.