Home / 75,778.07-104,582.61-45,578.57

Finding the Fourth Proportional to 75,778.07, 104,582.61 and 45,578.57

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Solution

The fourth proportional to 75,778.07, 104,582.61 and 45,578.57 is: 62,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.07 : 104,582.61 = 45,578.57 : x
  2. Step 2: Convert to fraction form
    75,778.07/104,582.61 = 45,578.57/x
  3. Step 3: Cross multiply
    75,778.07x = 104,582.61 × 45,578.57
  4. Step 4: Simplify right side
    75,778.07x = 4,766,725,287.75
  5. Step 5: Solve for x
    x = 4,766,725,287.75/75,778.07
  6. Step 6: Final answer
    x = 62,903.76

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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.