Home / 86,301.83-129,286.89-52,924.56

Finding the Fourth Proportional to 86,301.83, 129,286.89 and 52,924.56

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Solution

The fourth proportional to 86,301.83, 129,286.89 and 52,924.56 is: 79,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301.83 : 129,286.89 = 52,924.56 : x
  2. Step 2: Convert to fraction form
    86,301.83/129,286.89 = 52,924.56/x
  3. Step 3: Cross multiply
    86,301.83x = 129,286.89 × 52,924.56
  4. Step 4: Simplify right side
    86,301.83x = 6,842,451,767.02
  5. Step 5: Solve for x
    x = 6,842,451,767.02/86,301.83
  6. Step 6: Final answer
    x = 79,285.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.