Home / 113,687.11-156,889.32-62,701.90

Finding the Fourth Proportional to 113,687.11, 156,889.32 and 62,701.90

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Solution

The fourth proportional to 113,687.11, 156,889.32 and 62,701.90 is: 86,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,687.11 : 156,889.32 = 62,701.90 : x
  2. Step 2: Convert to fraction form
    113,687.11/156,889.32 = 62,701.90/x
  3. Step 3: Cross multiply
    113,687.11x = 156,889.32 × 62,701.90
  4. Step 4: Simplify right side
    113,687.11x = 9,837,258,453.71
  5. Step 5: Solve for x
    x = 9,837,258,453.71/113,687.11
  6. Step 6: Final answer
    x = 86,529.23

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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.