Home / 88,209.83-121,728.91-47,923.92

Finding the Fourth Proportional to 88,209.83, 121,728.91 and 47,923.92

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Solution

The fourth proportional to 88,209.83, 121,728.91 and 47,923.92 is: 66,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209.83 : 121,728.91 = 47,923.92 : x
  2. Step 2: Convert to fraction form
    88,209.83/121,728.91 = 47,923.92/x
  3. Step 3: Cross multiply
    88,209.83x = 121,728.91 × 47,923.92
  4. Step 4: Simplify right side
    88,209.83x = 5,833,726,856.94
  5. Step 5: Solve for x
    x = 5,833,726,856.94/88,209.83
  6. Step 6: Final answer
    x = 66,134.66

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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.