Home / 98,729.18-147,959.55-41,755.71

Finding the Fourth Proportional to 98,729.18, 147,959.55 and 41,755.71

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Solution

The fourth proportional to 98,729.18, 147,959.55 and 41,755.71 is: 62,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.18 : 147,959.55 = 41,755.71 : x
  2. Step 2: Convert to fraction form
    98,729.18/147,959.55 = 41,755.71/x
  3. Step 3: Cross multiply
    98,729.18x = 147,959.55 × 41,755.71
  4. Step 4: Simplify right side
    98,729.18x = 6,178,156,061.53
  5. Step 5: Solve for x
    x = 6,178,156,061.53/98,729.18
  6. Step 6: Final answer
    x = 62,576.80

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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.