Home / 75,243.20-112,777.12-60,468.80

Finding the Fourth Proportional to 75,243.20, 112,777.12 and 60,468.80

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Solution

The fourth proportional to 75,243.20, 112,777.12 and 60,468.80 is: 90,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,243.20 : 112,777.12 = 60,468.80 : x
  2. Step 2: Convert to fraction form
    75,243.20/112,777.12 = 60,468.80/x
  3. Step 3: Cross multiply
    75,243.20x = 112,777.12 × 60,468.80
  4. Step 4: Simplify right side
    75,243.20x = 6,819,497,113.86
  5. Step 5: Solve for x
    x = 6,819,497,113.86/75,243.20
  6. Step 6: Final answer
    x = 90,632.74

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1.5x scale

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.