Home / 76,982.04-115,385.52-32,581.08

Finding the Fourth Proportional to 76,982.04, 115,385.52 and 32,581.08

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Solution

The fourth proportional to 76,982.04, 115,385.52 and 32,581.08 is: 48,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.04 : 115,385.52 = 32,581.08 : x
  2. Step 2: Convert to fraction form
    76,982.04/115,385.52 = 32,581.08/x
  3. Step 3: Cross multiply
    76,982.04x = 115,385.52 × 32,581.08
  4. Step 4: Simplify right side
    76,982.04x = 3,759,384,857.96
  5. Step 5: Solve for x
    x = 3,759,384,857.96/76,982.04
  6. Step 6: Final answer
    x = 48,834.57

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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.