Home / 48,751.20-73,126.80-44,231.40

Finding the Fourth Proportional to 48,751.20, 73,126.80 and 44,231.40

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Solution

The fourth proportional to 48,751.20, 73,126.80 and 44,231.40 is: 66,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.20 : 73,126.80 = 44,231.40 : x
  2. Step 2: Convert to fraction form
    48,751.20/73,126.80 = 44,231.40/x
  3. Step 3: Cross multiply
    48,751.20x = 73,126.80 × 44,231.40
  4. Step 4: Simplify right side
    48,751.20x = 3,234,500,741.52
  5. Step 5: Solve for x
    x = 3,234,500,741.52/48,751.20
  6. Step 6: Final answer
    x = 66,347.10

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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.