Home / 77,170.72-115,774.46-24,580.12

Finding the Fourth Proportional to 77,170.72, 115,774.46 and 24,580.12

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Solution

The fourth proportional to 77,170.72, 115,774.46 and 24,580.12 is: 36,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170.72 : 115,774.46 = 24,580.12 : x
  2. Step 2: Convert to fraction form
    77,170.72/115,774.46 = 24,580.12/x
  3. Step 3: Cross multiply
    77,170.72x = 115,774.46 × 24,580.12
  4. Step 4: Simplify right side
    77,170.72x = 2,845,750,119.74
  5. Step 5: Solve for x
    x = 2,845,750,119.74/77,170.72
  6. Step 6: Final answer
    x = 36,876.03

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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.