Home / 92,468.16-138,778.56-48,108

Finding the Fourth Proportional to 92,468.16, 138,778.56 and 48,108

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Solution

The fourth proportional to 92,468.16, 138,778.56 and 48,108 is: 72,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,468.16 : 138,778.56 = 48,108 : x
  2. Step 2: Convert to fraction form
    92,468.16/138,778.56 = 48,108/x
  3. Step 3: Cross multiply
    92,468.16x = 138,778.56 × 48,108
  4. Step 4: Simplify right side
    92,468.16x = 6,676,358,964.48
  5. Step 5: Solve for x
    x = 6,676,358,964.48/92,468.16
  6. Step 6: Final answer
    x = 72,201.71

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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.