Home / 78,560.09-117,841.23-22,400.20

Finding the Fourth Proportional to 78,560.09, 117,841.23 and 22,400.20

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Solution

The fourth proportional to 78,560.09, 117,841.23 and 22,400.20 is: 33,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,560.09 : 117,841.23 = 22,400.20 : x
  2. Step 2: Convert to fraction form
    78,560.09/117,841.23 = 22,400.20/x
  3. Step 3: Cross multiply
    78,560.09x = 117,841.23 × 22,400.20
  4. Step 4: Simplify right side
    78,560.09x = 2,639,667,267.55
  5. Step 5: Solve for x
    x = 2,639,667,267.55/78,560.09
  6. Step 6: Final answer
    x = 33,600.61

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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.