Home / 63,557.68-87,691.78-50,087.12

Finding the Fourth Proportional to 63,557.68, 87,691.78 and 50,087.12

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Solution

The fourth proportional to 63,557.68, 87,691.78 and 50,087.12 is: 69,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,557.68 : 87,691.78 = 50,087.12 : x
  2. Step 2: Convert to fraction form
    63,557.68/87,691.78 = 50,087.12/x
  3. Step 3: Cross multiply
    63,557.68x = 87,691.78 × 50,087.12
  4. Step 4: Simplify right side
    63,557.68x = 4,392,228,707.87
  5. Step 5: Solve for x
    x = 4,392,228,707.87/63,557.68
  6. Step 6: Final answer
    x = 69,106.18

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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.