Home / 82,425.48-123,636.87-26,264.84

Finding the Fourth Proportional to 82,425.48, 123,636.87 and 26,264.84

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Solution

The fourth proportional to 82,425.48, 123,636.87 and 26,264.84 is: 39,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,425.48 : 123,636.87 = 26,264.84 : x
  2. Step 2: Convert to fraction form
    82,425.48/123,636.87 = 26,264.84/x
  3. Step 3: Cross multiply
    82,425.48x = 123,636.87 × 26,264.84
  4. Step 4: Simplify right side
    82,425.48x = 3,247,301,990.47
  5. Step 5: Solve for x
    x = 3,247,301,990.47/82,425.48
  6. Step 6: Final answer
    x = 39,396.82

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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.