Home / 83,100.12-124,646.91-27,696.12

Finding the Fourth Proportional to 83,100.12, 124,646.91 and 27,696.12

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Solution

The fourth proportional to 83,100.12, 124,646.91 and 27,696.12 is: 41,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.12 : 124,646.91 = 27,696.12 : x
  2. Step 2: Convert to fraction form
    83,100.12/124,646.91 = 27,696.12/x
  3. Step 3: Cross multiply
    83,100.12x = 124,646.91 × 27,696.12
  4. Step 4: Simplify right side
    83,100.12x = 3,452,235,776.99
  5. Step 5: Solve for x
    x = 3,452,235,776.99/83,100.12
  6. Step 6: Final answer
    x = 41,543.09

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1.5x scale

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.