Home / 82,575.23-123,882.21-25,646.22

Finding the Fourth Proportional to 82,575.23, 123,882.21 and 25,646.22

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Solution

The fourth proportional to 82,575.23, 123,882.21 and 25,646.22 is: 38,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,575.23 : 123,882.21 = 25,646.22 : x
  2. Step 2: Convert to fraction form
    82,575.23/123,882.21 = 25,646.22/x
  3. Step 3: Cross multiply
    82,575.23x = 123,882.21 × 25,646.22
  4. Step 4: Simplify right side
    82,575.23x = 3,177,110,411.75
  5. Step 5: Solve for x
    x = 3,177,110,411.75/82,575.23
  6. Step 6: Final answer
    x = 38,475.35

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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.