Home / 86,034.24-129,101.52-36,110.48

Finding the Fourth Proportional to 86,034.24, 129,101.52 and 36,110.48

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Solution

The fourth proportional to 86,034.24, 129,101.52 and 36,110.48 is: 54,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034.24 : 129,101.52 = 36,110.48 : x
  2. Step 2: Convert to fraction form
    86,034.24/129,101.52 = 36,110.48/x
  3. Step 3: Cross multiply
    86,034.24x = 129,101.52 × 36,110.48
  4. Step 4: Simplify right side
    86,034.24x = 4,661,917,855.93
  5. Step 5: Solve for x
    x = 4,661,917,855.93/86,034.24
  6. Step 6: Final answer
    x = 54,186.77

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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.