Home / 54,082.20-74,635.56-31,420.92

Finding the Fourth Proportional to 54,082.20, 74,635.56 and 31,420.92

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Solution

The fourth proportional to 54,082.20, 74,635.56 and 31,420.92 is: 43,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.20 : 74,635.56 = 31,420.92 : x
  2. Step 2: Convert to fraction form
    54,082.20/74,635.56 = 31,420.92/x
  3. Step 3: Cross multiply
    54,082.20x = 74,635.56 × 31,420.92
  4. Step 4: Simplify right side
    54,082.20x = 2,345,117,959.92
  5. Step 5: Solve for x
    x = 2,345,117,959.92/54,082.20
  6. Step 6: Final answer
    x = 43,362.10

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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.