Home / 45,782.56-68,581.50-38,366.20

Finding the Fourth Proportional to 45,782.56, 68,581.50 and 38,366.20

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Solution

The fourth proportional to 45,782.56, 68,581.50 and 38,366.20 is: 57,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.56 : 68,581.50 = 38,366.20 : x
  2. Step 2: Convert to fraction form
    45,782.56/68,581.50 = 38,366.20/x
  3. Step 3: Cross multiply
    45,782.56x = 68,581.50 × 38,366.20
  4. Step 4: Simplify right side
    45,782.56x = 2,631,211,545.30
  5. Step 5: Solve for x
    x = 2,631,211,545.30/45,782.56
  6. Step 6: Final answer
    x = 57,471.92

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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.