Home / 67,176.57-100,787.64-29,731.49

Finding the Fourth Proportional to 67,176.57, 100,787.64 and 29,731.49

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Solution

The fourth proportional to 67,176.57, 100,787.64 and 29,731.49 is: 44,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,176.57 : 100,787.64 = 29,731.49 : x
  2. Step 2: Convert to fraction form
    67,176.57/100,787.64 = 29,731.49/x
  3. Step 3: Cross multiply
    67,176.57x = 100,787.64 × 29,731.49
  4. Step 4: Simplify right side
    67,176.57x = 2,996,566,058.19
  5. Step 5: Solve for x
    x = 2,996,566,058.19/67,176.57
  6. Step 6: Final answer
    x = 44,607.31

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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.