Home / 48,177.79-72,225.20-18,616.43

Finding the Fourth Proportional to 48,177.79, 72,225.20 and 18,616.43

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Solution

The fourth proportional to 48,177.79, 72,225.20 and 18,616.43 is: 27,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,177.79 : 72,225.20 = 18,616.43 : x
  2. Step 2: Convert to fraction form
    48,177.79/72,225.20 = 18,616.43/x
  3. Step 3: Cross multiply
    48,177.79x = 72,225.20 × 18,616.43
  4. Step 4: Simplify right side
    48,177.79x = 1,344,575,607.14
  5. Step 5: Solve for x
    x = 1,344,575,607.14/48,177.79
  6. Step 6: Final answer
    x = 27,908.62

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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.