Home / 58,786.20-81,127.76-36,126.14

Finding the Fourth Proportional to 58,786.20, 81,127.76 and 36,126.14

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Solution

The fourth proportional to 58,786.20, 81,127.76 and 36,126.14 is: 49,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.20 : 81,127.76 = 36,126.14 : x
  2. Step 2: Convert to fraction form
    58,786.20/81,127.76 = 36,126.14/x
  3. Step 3: Cross multiply
    58,786.20x = 81,127.76 × 36,126.14
  4. Step 4: Simplify right side
    58,786.20x = 2,930,832,229.38
  5. Step 5: Solve for x
    x = 2,930,832,229.38/58,786.20
  6. Step 6: Final answer
    x = 49,855.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.