Home / 53,713.76-74,119.92-49,750.88

Finding the Fourth Proportional to 53,713.76, 74,119.92 and 49,750.88

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Solution

The fourth proportional to 53,713.76, 74,119.92 and 49,750.88 is: 68,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.76 : 74,119.92 = 49,750.88 : x
  2. Step 2: Convert to fraction form
    53,713.76/74,119.92 = 49,750.88/x
  3. Step 3: Cross multiply
    53,713.76x = 74,119.92 × 49,750.88
  4. Step 4: Simplify right side
    53,713.76x = 3,687,531,245.53
  5. Step 5: Solve for x
    x = 3,687,531,245.53/53,713.76
  6. Step 6: Final answer
    x = 68,651.52

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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.