Home / 113,299.78-156,355.41-62,314.69

Finding the Fourth Proportional to 113,299.78, 156,355.41 and 62,314.69

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Solution

The fourth proportional to 113,299.78, 156,355.41 and 62,314.69 is: 85,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,299.78 : 156,355.41 = 62,314.69 : x
  2. Step 2: Convert to fraction form
    113,299.78/156,355.41 = 62,314.69/x
  3. Step 3: Cross multiply
    113,299.78x = 156,355.41 × 62,314.69
  4. Step 4: Simplify right side
    113,299.78x = 9,743,238,903.97
  5. Step 5: Solve for x
    x = 9,743,238,903.97/113,299.78
  6. Step 6: Final answer
    x = 85,995.21

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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.