Home / 82,401.40-123,552.76-26,217.28

Finding the Fourth Proportional to 82,401.40, 123,552.76 and 26,217.28

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Solution

The fourth proportional to 82,401.40, 123,552.76 and 26,217.28 is: 39,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,401.40 : 123,552.76 = 26,217.28 : x
  2. Step 2: Convert to fraction form
    82,401.40/123,552.76 = 26,217.28/x
  3. Step 3: Cross multiply
    82,401.40x = 123,552.76 × 26,217.28
  4. Step 4: Simplify right side
    82,401.40x = 3,239,217,303.69
  5. Step 5: Solve for x
    x = 3,239,217,303.69/82,401.40
  6. Step 6: Final answer
    x = 39,310.22

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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.