Home / 78,847.15-108,819.49-44,849.07

Finding the Fourth Proportional to 78,847.15, 108,819.49 and 44,849.07

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Solution

The fourth proportional to 78,847.15, 108,819.49 and 44,849.07 is: 61,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.15 : 108,819.49 = 44,849.07 : x
  2. Step 2: Convert to fraction form
    78,847.15/108,819.49 = 44,849.07/x
  3. Step 3: Cross multiply
    78,847.15x = 108,819.49 × 44,849.07
  4. Step 4: Simplify right side
    78,847.15x = 4,880,452,924.37
  5. Step 5: Solve for x
    x = 4,880,452,924.37/78,847.15
  6. Step 6: Final answer
    x = 61,897.65

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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.