Home / 53,463.53-73,729.19-39,881.55

Finding the Fourth Proportional to 53,463.53, 73,729.19 and 39,881.55

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Solution

The fourth proportional to 53,463.53, 73,729.19 and 39,881.55 is: 54,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,463.53 : 73,729.19 = 39,881.55 : x
  2. Step 2: Convert to fraction form
    53,463.53/73,729.19 = 39,881.55/x
  3. Step 3: Cross multiply
    53,463.53x = 73,729.19 × 39,881.55
  4. Step 4: Simplify right side
    53,463.53x = 2,940,434,178.04
  5. Step 5: Solve for x
    x = 2,940,434,178.04/53,463.53
  6. Step 6: Final answer
    x = 54,998.88

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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.