Home / 88,029.13-121,468.53-49,793.89

Finding the Fourth Proportional to 88,029.13, 121,468.53 and 49,793.89

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Solution

The fourth proportional to 88,029.13, 121,468.53 and 49,793.89 is: 68,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.13 : 121,468.53 = 49,793.89 : x
  2. Step 2: Convert to fraction form
    88,029.13/121,468.53 = 49,793.89/x
  3. Step 3: Cross multiply
    88,029.13x = 121,468.53 × 49,793.89
  4. Step 4: Simplify right side
    88,029.13x = 6,048,390,621.28
  5. Step 5: Solve for x
    x = 6,048,390,621.28/88,029.13
  6. Step 6: Final answer
    x = 68,708.97

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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.