Home / 76,764.33-115,006.20-55,652.04

Finding the Fourth Proportional to 76,764.33, 115,006.20 and 55,652.04

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Solution

The fourth proportional to 76,764.33, 115,006.20 and 55,652.04 is: 83,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.33 : 115,006.20 = 55,652.04 : x
  2. Step 2: Convert to fraction form
    76,764.33/115,006.20 = 55,652.04/x
  3. Step 3: Cross multiply
    76,764.33x = 115,006.20 × 55,652.04
  4. Step 4: Simplify right side
    76,764.33x = 6,400,329,642.65
  5. Step 5: Solve for x
    x = 6,400,329,642.65/76,764.33
  6. Step 6: Final answer
    x = 83,376.35

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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.