Home / 86,858.08-119,700.33-69,610.85

Finding the Fourth Proportional to 86,858.08, 119,700.33 and 69,610.85

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Solution

The fourth proportional to 86,858.08, 119,700.33 and 69,610.85 is: 95,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,858.08 : 119,700.33 = 69,610.85 : x
  2. Step 2: Convert to fraction form
    86,858.08/119,700.33 = 69,610.85/x
  3. Step 3: Cross multiply
    86,858.08x = 119,700.33 × 69,610.85
  4. Step 4: Simplify right side
    86,858.08x = 8,332,441,716.58
  5. Step 5: Solve for x
    x = 8,332,441,716.58/86,858.08
  6. Step 6: Final answer
    x = 95,931.68

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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.