Home / 82,209.60-123,314.40-29,600.10

Finding the Fourth Proportional to 82,209.60, 123,314.40 and 29,600.10

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Solution

The fourth proportional to 82,209.60, 123,314.40 and 29,600.10 is: 44,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,209.60 : 123,314.40 = 29,600.10 : x
  2. Step 2: Convert to fraction form
    82,209.60/123,314.40 = 29,600.10/x
  3. Step 3: Cross multiply
    82,209.60x = 123,314.40 × 29,600.10
  4. Step 4: Simplify right side
    82,209.60x = 3,650,118,571.44
  5. Step 5: Solve for x
    x = 3,650,118,571.44/82,209.60
  6. Step 6: Final answer
    x = 44,400.15

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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.