Home / 53,738.20-74,086.06-45,340.12

Finding the Fourth Proportional to 53,738.20, 74,086.06 and 45,340.12

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Solution

The fourth proportional to 53,738.20, 74,086.06 and 45,340.12 is: 62,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.20 : 74,086.06 = 45,340.12 : x
  2. Step 2: Convert to fraction form
    53,738.20/74,086.06 = 45,340.12/x
  3. Step 3: Cross multiply
    53,738.20x = 74,086.06 × 45,340.12
  4. Step 4: Simplify right side
    53,738.20x = 3,359,070,850.73
  5. Step 5: Solve for x
    x = 3,359,070,850.73/53,738.20
  6. Step 6: Final answer
    x = 62,508.06

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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.