Home / 71,557.68-107,112.96-49,240.56

Finding the Fourth Proportional to 71,557.68, 107,112.96 and 49,240.56

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Solution

The fourth proportional to 71,557.68, 107,112.96 and 49,240.56 is: 73,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.68 : 107,112.96 = 49,240.56 : x
  2. Step 2: Convert to fraction form
    71,557.68/107,112.96 = 49,240.56/x
  3. Step 3: Cross multiply
    71,557.68x = 107,112.96 × 49,240.56
  4. Step 4: Simplify right side
    71,557.68x = 5,274,302,133.66
  5. Step 5: Solve for x
    x = 5,274,302,133.66/71,557.68
  6. Step 6: Final answer
    x = 73,707.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.