Home / 86,623.38-119,572.05-50,843.40

Finding the Fourth Proportional to 86,623.38, 119,572.05 and 50,843.40

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Solution

The fourth proportional to 86,623.38, 119,572.05 and 50,843.40 is: 70,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.38 : 119,572.05 = 50,843.40 : x
  2. Step 2: Convert to fraction form
    86,623.38/119,572.05 = 50,843.40/x
  3. Step 3: Cross multiply
    86,623.38x = 119,572.05 × 50,843.40
  4. Step 4: Simplify right side
    86,623.38x = 6,079,449,566.97
  5. Step 5: Solve for x
    x = 6,079,449,566.97/86,623.38
  6. Step 6: Final answer
    x = 70,182.55

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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.