Home / 54,242.75-74,862.85-30,370.96

Finding the Fourth Proportional to 54,242.75, 74,862.85 and 30,370.96

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Solution

The fourth proportional to 54,242.75, 74,862.85 and 30,370.96 is: 41,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.75 : 74,862.85 = 30,370.96 : x
  2. Step 2: Convert to fraction form
    54,242.75/74,862.85 = 30,370.96/x
  3. Step 3: Cross multiply
    54,242.75x = 74,862.85 × 30,370.96
  4. Step 4: Simplify right side
    54,242.75x = 2,273,656,359.75
  5. Step 5: Solve for x
    x = 2,273,656,359.75/54,242.75
  6. Step 6: Final answer
    x = 41,916.32

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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.