Home / 60,132.18-90,229.40-43,628.43

Finding the Fourth Proportional to 60,132.18, 90,229.40 and 43,628.43

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Solution

The fourth proportional to 60,132.18, 90,229.40 and 43,628.43 is: 65,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,132.18 : 90,229.40 = 43,628.43 : x
  2. Step 2: Convert to fraction form
    60,132.18/90,229.40 = 43,628.43/x
  3. Step 3: Cross multiply
    60,132.18x = 90,229.40 × 43,628.43
  4. Step 4: Simplify right side
    60,132.18x = 3,936,567,061.84
  5. Step 5: Solve for x
    x = 3,936,567,061.84/60,132.18
  6. Step 6: Final answer
    x = 65,465.23

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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.