Home / 88,251.42-121,787.76-47,965.28

Finding the Fourth Proportional to 88,251.42, 121,787.76 and 47,965.28

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Solution

The fourth proportional to 88,251.42, 121,787.76 and 47,965.28 is: 66,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,251.42 : 121,787.76 = 47,965.28 : x
  2. Step 2: Convert to fraction form
    88,251.42/121,787.76 = 47,965.28/x
  3. Step 3: Cross multiply
    88,251.42x = 121,787.76 × 47,965.28
  4. Step 4: Simplify right side
    88,251.42x = 5,841,583,400.03
  5. Step 5: Solve for x
    x = 5,841,583,400.03/88,251.42
  6. Step 6: Final answer
    x = 66,192.51

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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.