Home / 86,508.28-119,381.52-50,691.16

Finding the Fourth Proportional to 86,508.28, 119,381.52 and 50,691.16

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Solution

The fourth proportional to 86,508.28, 119,381.52 and 50,691.16 is: 69,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.28 : 119,381.52 = 50,691.16 : x
  2. Step 2: Convert to fraction form
    86,508.28/119,381.52 = 50,691.16/x
  3. Step 3: Cross multiply
    86,508.28x = 119,381.52 × 50,691.16
  4. Step 4: Simplify right side
    86,508.28x = 6,051,587,731.36
  5. Step 5: Solve for x
    x = 6,051,587,731.36/86,508.28
  6. Step 6: Final answer
    x = 69,953.86

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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.