Home / 113,685.80-156,874.32-62,695.15

Finding the Fourth Proportional to 113,685.80, 156,874.32 and 62,695.15

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Solution

The fourth proportional to 113,685.80, 156,874.32 and 62,695.15 is: 86,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,685.80 : 156,874.32 = 62,695.15 : x
  2. Step 2: Convert to fraction form
    113,685.80/156,874.32 = 62,695.15/x
  3. Step 3: Cross multiply
    113,685.80x = 156,874.32 × 62,695.15
  4. Step 4: Simplify right side
    113,685.80x = 9,835,258,631.36
  5. Step 5: Solve for x
    x = 9,835,258,631.36/113,685.80
  6. Step 6: Final answer
    x = 86,512.64

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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.