Home / 60,403.20-90,569.34-18,270.60

Finding the Fourth Proportional to 60,403.20, 90,569.34 and 18,270.60

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Solution

The fourth proportional to 60,403.20, 90,569.34 and 18,270.60 is: 27,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.20 : 90,569.34 = 18,270.60 : x
  2. Step 2: Convert to fraction form
    60,403.20/90,569.34 = 18,270.60/x
  3. Step 3: Cross multiply
    60,403.20x = 90,569.34 × 18,270.60
  4. Step 4: Simplify right side
    60,403.20x = 1,654,756,183.40
  5. Step 5: Solve for x
    x = 1,654,756,183.40/60,403.20
  6. Step 6: Final answer
    x = 27,395.17

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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.