Home / 82,521.45-123,711.15-35,093.10

Finding the Fourth Proportional to 82,521.45, 123,711.15 and 35,093.10

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Solution

The fourth proportional to 82,521.45, 123,711.15 and 35,093.10 is: 52,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,521.45 : 123,711.15 = 35,093.10 : x
  2. Step 2: Convert to fraction form
    82,521.45/123,711.15 = 35,093.10/x
  3. Step 3: Cross multiply
    82,521.45x = 123,711.15 × 35,093.10
  4. Step 4: Simplify right side
    82,521.45x = 4,341,407,758.07
  5. Step 5: Solve for x
    x = 4,341,407,758.07/82,521.45
  6. Step 6: Final answer
    x = 52,609.45

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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.