Home / 60,132.47-90,229.80-43,628.72

Finding the Fourth Proportional to 60,132.47, 90,229.80 and 43,628.72

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Solution

The fourth proportional to 60,132.47, 90,229.80 and 43,628.72 is: 65,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,132.47 : 90,229.80 = 43,628.72 : x
  2. Step 2: Convert to fraction form
    60,132.47/90,229.80 = 43,628.72/x
  3. Step 3: Cross multiply
    60,132.47x = 90,229.80 × 43,628.72
  4. Step 4: Simplify right side
    60,132.47x = 3,936,610,228.71
  5. Step 5: Solve for x
    x = 3,936,610,228.71/60,132.47
  6. Step 6: Final answer
    x = 65,465.64

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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.