Home / 77,919.83-107,532.53-43,929.60

Finding the Fourth Proportional to 77,919.83, 107,532.53 and 43,929.60

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Solution

The fourth proportional to 77,919.83, 107,532.53 and 43,929.60 is: 60,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,919.83 : 107,532.53 = 43,929.60 : x
  2. Step 2: Convert to fraction form
    77,919.83/107,532.53 = 43,929.60/x
  3. Step 3: Cross multiply
    77,919.83x = 107,532.53 × 43,929.60
  4. Step 4: Simplify right side
    77,919.83x = 4,723,861,029.89
  5. Step 5: Solve for x
    x = 4,723,861,029.89/77,919.83
  6. Step 6: Final answer
    x = 60,624.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.