Home / 83,869.12-125,776.68-27,696.16

Finding the Fourth Proportional to 83,869.12, 125,776.68 and 27,696.16

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Solution

The fourth proportional to 83,869.12, 125,776.68 and 27,696.16 is: 41,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,869.12 : 125,776.68 = 27,696.16 : x
  2. Step 2: Convert to fraction form
    83,869.12/125,776.68 = 27,696.16/x
  3. Step 3: Cross multiply
    83,869.12x = 125,776.68 × 27,696.16
  4. Step 4: Simplify right side
    83,869.12x = 3,483,531,053.55
  5. Step 5: Solve for x
    x = 3,483,531,053.55/83,869.12
  6. Step 6: Final answer
    x = 41,535.32

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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.