Home / 67,792.08-101,742.66-38,238.42

Finding the Fourth Proportional to 67,792.08, 101,742.66 and 38,238.42

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Solution

The fourth proportional to 67,792.08, 101,742.66 and 38,238.42 is: 57,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,792.08 : 101,742.66 = 38,238.42 : x
  2. Step 2: Convert to fraction form
    67,792.08/101,742.66 = 38,238.42/x
  3. Step 3: Cross multiply
    67,792.08x = 101,742.66 × 38,238.42
  4. Step 4: Simplify right side
    67,792.08x = 3,890,478,565.00
  5. Step 5: Solve for x
    x = 3,890,478,565.00/67,792.08
  6. Step 6: Final answer
    x = 57,388.39

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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.