Home / 77,118.30-115,685.66-24,515.48

Finding the Fourth Proportional to 77,118.30, 115,685.66 and 24,515.48

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Solution

The fourth proportional to 77,118.30, 115,685.66 and 24,515.48 is: 36,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,118.30 : 115,685.66 = 24,515.48 : x
  2. Step 2: Convert to fraction form
    77,118.30/115,685.66 = 24,515.48/x
  3. Step 3: Cross multiply
    77,118.30x = 115,685.66 × 24,515.48
  4. Step 4: Simplify right side
    77,118.30x = 2,836,089,834.52
  5. Step 5: Solve for x
    x = 2,836,089,834.52/77,118.30
  6. Step 6: Final answer
    x = 36,775.83

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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.