Home / 52,061.09-71,844.35-28,187.78

Finding the Fourth Proportional to 52,061.09, 71,844.35 and 28,187.78

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Solution

The fourth proportional to 52,061.09, 71,844.35 and 28,187.78 is: 38,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.09 : 71,844.35 = 28,187.78 : x
  2. Step 2: Convert to fraction form
    52,061.09/71,844.35 = 28,187.78/x
  3. Step 3: Cross multiply
    52,061.09x = 71,844.35 × 28,187.78
  4. Step 4: Simplify right side
    52,061.09x = 2,025,132,770.71
  5. Step 5: Solve for x
    x = 2,025,132,770.71/52,061.09
  6. Step 6: Final answer
    x = 38,899.16

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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.