Home / 86,329.91-129,512.52-36,410.06

Finding the Fourth Proportional to 86,329.91, 129,512.52 and 36,410.06

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Solution

The fourth proportional to 86,329.91, 129,512.52 and 36,410.06 is: 54,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329.91 : 129,512.52 = 36,410.06 : x
  2. Step 2: Convert to fraction form
    86,329.91/129,512.52 = 36,410.06/x
  3. Step 3: Cross multiply
    86,329.91x = 129,512.52 × 36,410.06
  4. Step 4: Simplify right side
    86,329.91x = 4,715,558,947.73
  5. Step 5: Solve for x
    x = 4,715,558,947.73/86,329.91
  6. Step 6: Final answer
    x = 54,622.54

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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.