Home / 82,210.10-123,315.15-29,600.60

Finding the Fourth Proportional to 82,210.10, 123,315.15 and 29,600.60

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Solution

The fourth proportional to 82,210.10, 123,315.15 and 29,600.60 is: 44,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210.10 : 123,315.15 = 29,600.60 : x
  2. Step 2: Convert to fraction form
    82,210.10/123,315.15 = 29,600.60/x
  3. Step 3: Cross multiply
    82,210.10x = 123,315.15 × 29,600.60
  4. Step 4: Simplify right side
    82,210.10x = 3,650,202,429.09
  5. Step 5: Solve for x
    x = 3,650,202,429.09/82,210.10
  6. Step 6: Final answer
    x = 44,400.90

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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.