Home / 101,617.74-152,382.47-54,222.26

Finding the Fourth Proportional to 101,617.74, 152,382.47 and 54,222.26

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Solution

The fourth proportional to 101,617.74, 152,382.47 and 54,222.26 is: 81,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,617.74 : 152,382.47 = 54,222.26 : x
  2. Step 2: Convert to fraction form
    101,617.74/152,382.47 = 54,222.26/x
  3. Step 3: Cross multiply
    101,617.74x = 152,382.47 × 54,222.26
  4. Step 4: Simplify right side
    101,617.74x = 8,262,520,874.76
  5. Step 5: Solve for x
    x = 8,262,520,874.76/101,617.74
  6. Step 6: Final answer
    x = 81,309.83

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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.