Home / 111,724.18-167,640.90-52,565.74

Finding the Fourth Proportional to 111,724.18, 167,640.90 and 52,565.74

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Solution

The fourth proportional to 111,724.18, 167,640.90 and 52,565.74 is: 78,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.18 : 167,640.90 = 52,565.74 : x
  2. Step 2: Convert to fraction form
    111,724.18/167,640.90 = 52,565.74/x
  3. Step 3: Cross multiply
    111,724.18x = 167,640.90 × 52,565.74
  4. Step 4: Simplify right side
    111,724.18x = 8,812,167,962.77
  5. Step 5: Solve for x
    x = 8,812,167,962.77/111,724.18
  6. Step 6: Final answer
    x = 78,874.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.