Home / 54,401.76-75,072.42-31,741.20

Finding the Fourth Proportional to 54,401.76, 75,072.42 and 31,741.20

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Solution

The fourth proportional to 54,401.76, 75,072.42 and 31,741.20 is: 43,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.76 : 75,072.42 = 31,741.20 : x
  2. Step 2: Convert to fraction form
    54,401.76/75,072.42 = 31,741.20/x
  3. Step 3: Cross multiply
    54,401.76x = 75,072.42 × 31,741.20
  4. Step 4: Simplify right side
    54,401.76x = 2,382,888,697.70
  5. Step 5: Solve for x
    x = 2,382,888,697.70/54,401.76
  6. Step 6: Final answer
    x = 43,801.68

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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.