Home / 45,082.20-62,264.48-30,717.12

Finding the Fourth Proportional to 45,082.20, 62,264.48 and 30,717.12

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Solution

The fourth proportional to 45,082.20, 62,264.48 and 30,717.12 is: 42,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,082.20 : 62,264.48 = 30,717.12 : x
  2. Step 2: Convert to fraction form
    45,082.20/62,264.48 = 30,717.12/x
  3. Step 3: Cross multiply
    45,082.20x = 62,264.48 × 30,717.12
  4. Step 4: Simplify right side
    45,082.20x = 1,912,585,503.90
  5. Step 5: Solve for x
    x = 1,912,585,503.90/45,082.20
  6. Step 6: Final answer
    x = 42,424.40

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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.