Home / 60,082.74-90,130.22-20,634.72

Finding the Fourth Proportional to 60,082.74, 90,130.22 and 20,634.72

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Solution

The fourth proportional to 60,082.74, 90,130.22 and 20,634.72 is: 30,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,082.74 : 90,130.22 = 20,634.72 : x
  2. Step 2: Convert to fraction form
    60,082.74/90,130.22 = 20,634.72/x
  3. Step 3: Cross multiply
    60,082.74x = 90,130.22 × 20,634.72
  4. Step 4: Simplify right side
    60,082.74x = 1,859,811,853.24
  5. Step 5: Solve for x
    x = 1,859,811,853.24/60,082.74
  6. Step 6: Final answer
    x = 30,954.18

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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.