Home / 71,585.84-107,215.19-34,172.18

Finding the Fourth Proportional to 71,585.84, 107,215.19 and 34,172.18

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Solution

The fourth proportional to 71,585.84, 107,215.19 and 34,172.18 is: 51,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.84 : 107,215.19 = 34,172.18 : x
  2. Step 2: Convert to fraction form
    71,585.84/107,215.19 = 34,172.18/x
  3. Step 3: Cross multiply
    71,585.84x = 107,215.19 × 34,172.18
  4. Step 4: Simplify right side
    71,585.84x = 3,663,776,064.48
  5. Step 5: Solve for x
    x = 3,663,776,064.48/71,585.84
  6. Step 6: Final answer
    x = 51,180.18

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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.