Home / 48,186.40-72,279.60-44,687.20

Finding the Fourth Proportional to 48,186.40, 72,279.60 and 44,687.20

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Solution

The fourth proportional to 48,186.40, 72,279.60 and 44,687.20 is: 67,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.40 : 72,279.60 = 44,687.20 : x
  2. Step 2: Convert to fraction form
    48,186.40/72,279.60 = 44,687.20/x
  3. Step 3: Cross multiply
    48,186.40x = 72,279.60 × 44,687.20
  4. Step 4: Simplify right side
    48,186.40x = 3,229,972,941.12
  5. Step 5: Solve for x
    x = 3,229,972,941.12/48,186.40
  6. Step 6: Final answer
    x = 67,030.80

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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.