Home / 60,500.48-90,750.66-18,380.39

Finding the Fourth Proportional to 60,500.48, 90,750.66 and 18,380.39

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Solution

The fourth proportional to 60,500.48, 90,750.66 and 18,380.39 is: 27,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,500.48 : 90,750.66 = 18,380.39 : x
  2. Step 2: Convert to fraction form
    60,500.48/90,750.66 = 18,380.39/x
  3. Step 3: Cross multiply
    60,500.48x = 90,750.66 × 18,380.39
  4. Step 4: Simplify right side
    60,500.48x = 1,668,032,000.88
  5. Step 5: Solve for x
    x = 1,668,032,000.88/60,500.48
  6. Step 6: Final answer
    x = 27,570.56

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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.