Home / 88,815.20-122,565.01-47,979.34

Finding the Fourth Proportional to 88,815.20, 122,565.01 and 47,979.34

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Solution

The fourth proportional to 88,815.20, 122,565.01 and 47,979.34 is: 66,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,815.20 : 122,565.01 = 47,979.34 : x
  2. Step 2: Convert to fraction form
    88,815.20/122,565.01 = 47,979.34/x
  3. Step 3: Cross multiply
    88,815.20x = 122,565.01 × 47,979.34
  4. Step 4: Simplify right side
    88,815.20x = 5,880,588,286.89
  5. Step 5: Solve for x
    x = 5,880,588,286.89/88,815.20
  6. Step 6: Final answer
    x = 66,211.51

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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.