Home / 88,083.52-121,555.34-50,358.56

Finding the Fourth Proportional to 88,083.52, 121,555.34 and 50,358.56

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Solution

The fourth proportional to 88,083.52, 121,555.34 and 50,358.56 is: 69,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.52 : 121,555.34 = 50,358.56 : x
  2. Step 2: Convert to fraction form
    88,083.52/121,555.34 = 50,358.56/x
  3. Step 3: Cross multiply
    88,083.52x = 121,555.34 × 50,358.56
  4. Step 4: Simplify right side
    88,083.52x = 6,121,351,882.71
  5. Step 5: Solve for x
    x = 6,121,351,882.71/88,083.52
  6. Step 6: Final answer
    x = 69,494.86

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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.