Home / 76,782.90-115,190.55-24,196.08

Finding the Fourth Proportional to 76,782.90, 115,190.55 and 24,196.08

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Solution

The fourth proportional to 76,782.90, 115,190.55 and 24,196.08 is: 36,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,782.90 : 115,190.55 = 24,196.08 : x
  2. Step 2: Convert to fraction form
    76,782.90/115,190.55 = 24,196.08/x
  3. Step 3: Cross multiply
    76,782.90x = 115,190.55 × 24,196.08
  4. Step 4: Simplify right side
    76,782.90x = 2,787,159,763.04
  5. Step 5: Solve for x
    x = 2,787,159,763.04/76,782.90
  6. Step 6: Final answer
    x = 36,299.22

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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.