Home / 82,275.55-123,418.11-23,115.84

Finding the Fourth Proportional to 82,275.55, 123,418.11 and 23,115.84

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Solution

The fourth proportional to 82,275.55, 123,418.11 and 23,115.84 is: 34,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.55 : 123,418.11 = 23,115.84 : x
  2. Step 2: Convert to fraction form
    82,275.55/123,418.11 = 23,115.84/x
  3. Step 3: Cross multiply
    82,275.55x = 123,418.11 × 23,115.84
  4. Step 4: Simplify right side
    82,275.55x = 2,852,913,592.41
  5. Step 5: Solve for x
    x = 2,852,913,592.41/82,275.55
  6. Step 6: Final answer
    x = 34,675.11

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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.