Home / 86,540.10-119,426.88-50,755.92

Finding the Fourth Proportional to 86,540.10, 119,426.88 and 50,755.92

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Solution

The fourth proportional to 86,540.10, 119,426.88 and 50,755.92 is: 70,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540.10 : 119,426.88 = 50,755.92 : x
  2. Step 2: Convert to fraction form
    86,540.10/119,426.88 = 50,755.92/x
  3. Step 3: Cross multiply
    86,540.10x = 119,426.88 × 50,755.92
  4. Step 4: Simplify right side
    86,540.10x = 6,061,621,167.13
  5. Step 5: Solve for x
    x = 6,061,621,167.13/86,540.10
  6. Step 6: Final answer
    x = 70,044.07

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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.