Home / 86,631.24-119,515.50-58,346.04

Finding the Fourth Proportional to 86,631.24, 119,515.50 and 58,346.04

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Solution

The fourth proportional to 86,631.24, 119,515.50 and 58,346.04 is: 80,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,631.24 : 119,515.50 = 58,346.04 : x
  2. Step 2: Convert to fraction form
    86,631.24/119,515.50 = 58,346.04/x
  3. Step 3: Cross multiply
    86,631.24x = 119,515.50 × 58,346.04
  4. Step 4: Simplify right side
    86,631.24x = 6,973,256,143.62
  5. Step 5: Solve for x
    x = 6,973,256,143.62/86,631.24
  6. Step 6: Final answer
    x = 80,493.55

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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.