Home / 91,961.64-137,872.55-47,560.10

Finding the Fourth Proportional to 91,961.64, 137,872.55 and 47,560.10

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Solution

The fourth proportional to 91,961.64, 137,872.55 and 47,560.10 is: 71,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,961.64 : 137,872.55 = 47,560.10 : x
  2. Step 2: Convert to fraction form
    91,961.64/137,872.55 = 47,560.10/x
  3. Step 3: Cross multiply
    91,961.64x = 137,872.55 × 47,560.10
  4. Step 4: Simplify right side
    91,961.64x = 6,557,231,694.79
  5. Step 5: Solve for x
    x = 6,557,231,694.79/91,961.64
  6. Step 6: Final answer
    x = 71,303.99

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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.