Home / 76,862.04-115,308.36-32,488.44

Finding the Fourth Proportional to 76,862.04, 115,308.36 and 32,488.44

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Solution

The fourth proportional to 76,862.04, 115,308.36 and 32,488.44 is: 48,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862.04 : 115,308.36 = 32,488.44 : x
  2. Step 2: Convert to fraction form
    76,862.04/115,308.36 = 32,488.44/x
  3. Step 3: Cross multiply
    76,862.04x = 115,308.36 × 32,488.44
  4. Step 4: Simplify right side
    76,862.04x = 3,746,188,735.36
  5. Step 5: Solve for x
    x = 3,746,188,735.36/76,862.04
  6. Step 6: Final answer
    x = 48,739.13

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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.