Home / 54,675.78-75,346.92-39,541.74

Finding the Fourth Proportional to 54,675.78, 75,346.92 and 39,541.74

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Solution

The fourth proportional to 54,675.78, 75,346.92 and 39,541.74 is: 54,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,675.78 : 75,346.92 = 39,541.74 : x
  2. Step 2: Convert to fraction form
    54,675.78/75,346.92 = 39,541.74/x
  3. Step 3: Cross multiply
    54,675.78x = 75,346.92 × 39,541.74
  4. Step 4: Simplify right side
    54,675.78x = 2,979,348,320.44
  5. Step 5: Solve for x
    x = 2,979,348,320.44/54,675.78
  6. Step 6: Final answer
    x = 54,491.19

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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.