Home / 85,264.72-127,787.62-40,824.88

Finding the Fourth Proportional to 85,264.72, 127,787.62 and 40,824.88

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Solution

The fourth proportional to 85,264.72, 127,787.62 and 40,824.88 is: 61,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.72 : 127,787.62 = 40,824.88 : x
  2. Step 2: Convert to fraction form
    85,264.72/127,787.62 = 40,824.88/x
  3. Step 3: Cross multiply
    85,264.72x = 127,787.62 × 40,824.88
  4. Step 4: Simplify right side
    85,264.72x = 5,216,914,251.99
  5. Step 5: Solve for x
    x = 5,216,914,251.99/85,264.72
  6. Step 6: Final answer
    x = 61,184.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.