Home / 54,742.44-75,565.10-35,880.78

Finding the Fourth Proportional to 54,742.44, 75,565.10 and 35,880.78

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Solution

The fourth proportional to 54,742.44, 75,565.10 and 35,880.78 is: 49,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.44 : 75,565.10 = 35,880.78 : x
  2. Step 2: Convert to fraction form
    54,742.44/75,565.10 = 35,880.78/x
  3. Step 3: Cross multiply
    54,742.44x = 75,565.10 × 35,880.78
  4. Step 4: Simplify right side
    54,742.44x = 2,711,334,728.78
  5. Step 5: Solve for x
    x = 2,711,334,728.78/54,742.44
  6. Step 6: Final answer
    x = 49,528.93

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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.