Home / 57,180.28-78,849.30-45,224.68

Finding the Fourth Proportional to 57,180.28, 78,849.30 and 45,224.68

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Solution

The fourth proportional to 57,180.28, 78,849.30 and 45,224.68 is: 62,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,180.28 : 78,849.30 = 45,224.68 : x
  2. Step 2: Convert to fraction form
    57,180.28/78,849.30 = 45,224.68/x
  3. Step 3: Cross multiply
    57,180.28x = 78,849.30 × 45,224.68
  4. Step 4: Simplify right side
    57,180.28x = 3,565,934,360.72
  5. Step 5: Solve for x
    x = 3,565,934,360.72/57,180.28
  6. Step 6: Final answer
    x = 62,363.01

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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.