Home / 86,623.38-119,536.89-54,375.34

Finding the Fourth Proportional to 86,623.38, 119,536.89 and 54,375.34

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Solution

The fourth proportional to 86,623.38, 119,536.89 and 54,375.34 is: 75,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.38 : 119,536.89 = 54,375.34 : x
  2. Step 2: Convert to fraction form
    86,623.38/119,536.89 = 54,375.34/x
  3. Step 3: Cross multiply
    86,623.38x = 119,536.89 × 54,375.34
  4. Step 4: Simplify right side
    86,623.38x = 6,499,859,036.29
  5. Step 5: Solve for x
    x = 6,499,859,036.29/86,623.38
  6. Step 6: Final answer
    x = 75,035.85

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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.