Home / 48,744.17-72,949.92-40,855.60

Finding the Fourth Proportional to 48,744.17, 72,949.92 and 40,855.60

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Solution

The fourth proportional to 48,744.17, 72,949.92 and 40,855.60 is: 61,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,744.17 : 72,949.92 = 40,855.60 : x
  2. Step 2: Convert to fraction form
    48,744.17/72,949.92 = 40,855.60/x
  3. Step 3: Cross multiply
    48,744.17x = 72,949.92 × 40,855.60
  4. Step 4: Simplify right side
    48,744.17x = 2,980,412,751.55
  5. Step 5: Solve for x
    x = 2,980,412,751.55/48,744.17
  6. Step 6: Final answer
    x = 61,143.98

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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.