Home / 88,273.32-121,816.92-47,987.04

Finding the Fourth Proportional to 88,273.32, 121,816.92 and 47,987.04

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Solution

The fourth proportional to 88,273.32, 121,816.92 and 47,987.04 is: 66,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.32 : 121,816.92 = 47,987.04 : x
  2. Step 2: Convert to fraction form
    88,273.32/121,816.92 = 47,987.04/x
  3. Step 3: Cross multiply
    88,273.32x = 121,816.92 × 47,987.04
  4. Step 4: Simplify right side
    88,273.32x = 5,845,633,412.72
  5. Step 5: Solve for x
    x = 5,845,633,412.72/88,273.32
  6. Step 6: Final answer
    x = 66,221.97

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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.