Home / 54,765.15-75,570.27-40,432.62

Finding the Fourth Proportional to 54,765.15, 75,570.27 and 40,432.62

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Solution

The fourth proportional to 54,765.15, 75,570.27 and 40,432.62 is: 55,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.15 : 75,570.27 = 40,432.62 : x
  2. Step 2: Convert to fraction form
    54,765.15/75,570.27 = 40,432.62/x
  3. Step 3: Cross multiply
    54,765.15x = 75,570.27 × 40,432.62
  4. Step 4: Simplify right side
    54,765.15x = 3,055,504,010.21
  5. Step 5: Solve for x
    x = 3,055,504,010.21/54,765.15
  6. Step 6: Final answer
    x = 55,792.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.