Home / 77,373.18-106,775.31-43,839.18

Finding the Fourth Proportional to 77,373.18, 106,775.31 and 43,839.18

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Solution

The fourth proportional to 77,373.18, 106,775.31 and 43,839.18 is: 60,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,373.18 : 106,775.31 = 43,839.18 : x
  2. Step 2: Convert to fraction form
    77,373.18/106,775.31 = 43,839.18/x
  3. Step 3: Cross multiply
    77,373.18x = 106,775.31 × 43,839.18
  4. Step 4: Simplify right side
    77,373.18x = 4,680,942,034.65
  5. Step 5: Solve for x
    x = 4,680,942,034.65/77,373.18
  6. Step 6: Final answer
    x = 60,498.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.