Home / 44,230.20-66,345.30-42,079.80

Finding the Fourth Proportional to 44,230.20, 66,345.30 and 42,079.80

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Solution

The fourth proportional to 44,230.20, 66,345.30 and 42,079.80 is: 63,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,230.20 : 66,345.30 = 42,079.80 : x
  2. Step 2: Convert to fraction form
    44,230.20/66,345.30 = 42,079.80/x
  3. Step 3: Cross multiply
    44,230.20x = 66,345.30 × 42,079.80
  4. Step 4: Simplify right side
    44,230.20x = 2,791,796,954.94
  5. Step 5: Solve for x
    x = 2,791,796,954.94/44,230.20
  6. Step 6: Final answer
    x = 63,119.70

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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.