Home / 72,474.78-100,049.40-48,617.04

Finding the Fourth Proportional to 72,474.78, 100,049.40 and 48,617.04

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Solution

The fourth proportional to 72,474.78, 100,049.40 and 48,617.04 is: 67,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,474.78 : 100,049.40 = 48,617.04 : x
  2. Step 2: Convert to fraction form
    72,474.78/100,049.40 = 48,617.04/x
  3. Step 3: Cross multiply
    72,474.78x = 100,049.40 × 48,617.04
  4. Step 4: Simplify right side
    72,474.78x = 4,864,105,681.78
  5. Step 5: Solve for x
    x = 4,864,105,681.78/72,474.78
  6. Step 6: Final answer
    x = 67,114.46

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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.