Home / 66,519.20-99,827.40-44,325.20

Finding the Fourth Proportional to 66,519.20, 99,827.40 and 44,325.20

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Solution

The fourth proportional to 66,519.20, 99,827.40 and 44,325.20 is: 66,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.20 : 99,827.40 = 44,325.20 : x
  2. Step 2: Convert to fraction form
    66,519.20/99,827.40 = 44,325.20/x
  3. Step 3: Cross multiply
    66,519.20x = 99,827.40 × 44,325.20
  4. Step 4: Simplify right side
    66,519.20x = 4,424,869,470.48
  5. Step 5: Solve for x
    x = 4,424,869,470.48/66,519.20
  6. Step 6: Final answer
    x = 66,520.18

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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.