Home / 82,116.60-123,164.27-25,962.38

Finding the Fourth Proportional to 82,116.60, 123,164.27 and 25,962.38

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Solution

The fourth proportional to 82,116.60, 123,164.27 and 25,962.38 is: 38,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,116.60 : 123,164.27 = 25,962.38 : x
  2. Step 2: Convert to fraction form
    82,116.60/123,164.27 = 25,962.38/x
  3. Step 3: Cross multiply
    82,116.60x = 123,164.27 × 25,962.38
  4. Step 4: Simplify right side
    82,116.60x = 3,197,636,834.53
  5. Step 5: Solve for x
    x = 3,197,636,834.53/82,116.60
  6. Step 6: Final answer
    x = 38,940.20

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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.