Home / 88,116.79-121,600.96-47,830.20

Finding the Fourth Proportional to 88,116.79, 121,600.96 and 47,830.20

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Solution

The fourth proportional to 88,116.79, 121,600.96 and 47,830.20 is: 66,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.79 : 121,600.96 = 47,830.20 : x
  2. Step 2: Convert to fraction form
    88,116.79/121,600.96 = 47,830.20/x
  3. Step 3: Cross multiply
    88,116.79x = 121,600.96 × 47,830.20
  4. Step 4: Simplify right side
    88,116.79x = 5,816,198,498.18
  5. Step 5: Solve for x
    x = 5,816,198,498.18/88,116.79
  6. Step 6: Final answer
    x = 66,005.56

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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.