Home / 86,860.08-119,703.09-69,612.85

Finding the Fourth Proportional to 86,860.08, 119,703.09 and 69,612.85

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Solution

The fourth proportional to 86,860.08, 119,703.09 and 69,612.85 is: 95,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,860.08 : 119,703.09 = 69,612.85 : x
  2. Step 2: Convert to fraction form
    86,860.08/119,703.09 = 69,612.85/x
  3. Step 3: Cross multiply
    86,860.08x = 119,703.09 × 69,612.85
  4. Step 4: Simplify right side
    86,860.08x = 8,332,873,248.71
  5. Step 5: Solve for x
    x = 8,332,873,248.71/86,860.08
  6. Step 6: Final answer
    x = 95,934.44

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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.