Home / 113,611.75-156,785.31-62,626.45

Finding the Fourth Proportional to 113,611.75, 156,785.31 and 62,626.45

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Solution

The fourth proportional to 113,611.75, 156,785.31 and 62,626.45 is: 86,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,611.75 : 156,785.31 = 62,626.45 : x
  2. Step 2: Convert to fraction form
    113,611.75/156,785.31 = 62,626.45/x
  3. Step 3: Cross multiply
    113,611.75x = 156,785.31 × 62,626.45
  4. Step 4: Simplify right side
    113,611.75x = 9,818,906,280.39
  5. Step 5: Solve for x
    x = 9,818,906,280.39/113,611.75
  6. Step 6: Final answer
    x = 86,425.10

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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.