Home / 74,543.46-111,815.21-51,098.82

Finding the Fourth Proportional to 74,543.46, 111,815.21 and 51,098.82

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Solution

The fourth proportional to 74,543.46, 111,815.21 and 51,098.82 is: 76,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.46 : 111,815.21 = 51,098.82 : x
  2. Step 2: Convert to fraction form
    74,543.46/111,815.21 = 51,098.82/x
  3. Step 3: Cross multiply
    74,543.46x = 111,815.21 × 51,098.82
  4. Step 4: Simplify right side
    74,543.46x = 5,713,625,033.56
  5. Step 5: Solve for x
    x = 5,713,625,033.56/74,543.46
  6. Step 6: Final answer
    x = 76,648.24

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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.