Home / 52,143.65-71,906.42-39,253.79

Finding the Fourth Proportional to 52,143.65, 71,906.42 and 39,253.79

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Solution

The fourth proportional to 52,143.65, 71,906.42 and 39,253.79 is: 54,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.65 : 71,906.42 = 39,253.79 : x
  2. Step 2: Convert to fraction form
    52,143.65/71,906.42 = 39,253.79/x
  3. Step 3: Cross multiply
    52,143.65x = 71,906.42 × 39,253.79
  4. Step 4: Simplify right side
    52,143.65x = 2,822,598,954.53
  5. Step 5: Solve for x
    x = 2,822,598,954.53/52,143.65
  6. Step 6: Final answer
    x = 54,131.22

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1.5x scale

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.