Home / 113,730.60-156,949.46-62,745.16

Finding the Fourth Proportional to 113,730.60, 156,949.46 and 62,745.16

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Solution

The fourth proportional to 113,730.60, 156,949.46 and 62,745.16 is: 86,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,730.60 : 156,949.46 = 62,745.16 : x
  2. Step 2: Convert to fraction form
    113,730.60/156,949.46 = 62,745.16/x
  3. Step 3: Cross multiply
    113,730.60x = 156,949.46 × 62,745.16
  4. Step 4: Simplify right side
    113,730.60x = 9,847,818,979.61
  5. Step 5: Solve for x
    x = 9,847,818,979.61/113,730.60
  6. Step 6: Final answer
    x = 86,589.00

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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.