Home / 115,546.74-159,455.55-67,800.88

Finding the Fourth Proportional to 115,546.74, 159,455.55 and 67,800.88

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Solution

The fourth proportional to 115,546.74, 159,455.55 and 67,800.88 is: 93,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,546.74 : 159,455.55 = 67,800.88 : x
  2. Step 2: Convert to fraction form
    115,546.74/159,455.55 = 67,800.88/x
  3. Step 3: Cross multiply
    115,546.74x = 159,455.55 × 67,800.88
  4. Step 4: Simplify right side
    115,546.74x = 10,811,226,610.88
  5. Step 5: Solve for x
    x = 10,811,226,610.88/115,546.74
  6. Step 6: Final answer
    x = 93,565.83

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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.