Home / 86,857.08-119,698.95-69,609.85

Finding the Fourth Proportional to 86,857.08, 119,698.95 and 69,609.85

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Solution

The fourth proportional to 86,857.08, 119,698.95 and 69,609.85 is: 95,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.08 : 119,698.95 = 69,609.85 : x
  2. Step 2: Convert to fraction form
    86,857.08/119,698.95 = 69,609.85/x
  3. Step 3: Cross multiply
    86,857.08x = 119,698.95 × 69,609.85
  4. Step 4: Simplify right side
    86,857.08x = 8,332,225,954.66
  5. Step 5: Solve for x
    x = 8,332,225,954.66/86,857.08
  6. Step 6: Final answer
    x = 95,930.31

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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.