Home / 66,251.17-91,418.30-44,787.61

Finding the Fourth Proportional to 66,251.17, 91,418.30 and 44,787.61

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Solution

The fourth proportional to 66,251.17, 91,418.30 and 44,787.61 is: 61,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.17 : 91,418.30 = 44,787.61 : x
  2. Step 2: Convert to fraction form
    66,251.17/91,418.30 = 44,787.61/x
  3. Step 3: Cross multiply
    66,251.17x = 91,418.30 × 44,787.61
  4. Step 4: Simplify right side
    66,251.17x = 4,094,406,486.23
  5. Step 5: Solve for x
    x = 4,094,406,486.23/66,251.17
  6. Step 6: Final answer
    x = 61,801.27

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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.