Home / 78,872.06-108,841.96-44,879.78

Finding the Fourth Proportional to 78,872.06, 108,841.96 and 44,879.78

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Solution

The fourth proportional to 78,872.06, 108,841.96 and 44,879.78 is: 61,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872.06 : 108,841.96 = 44,879.78 : x
  2. Step 2: Convert to fraction form
    78,872.06/108,841.96 = 44,879.78/x
  3. Step 3: Cross multiply
    78,872.06x = 108,841.96 × 44,879.78
  4. Step 4: Simplify right side
    78,872.06x = 4,884,803,219.57
  5. Step 5: Solve for x
    x = 4,884,803,219.57/78,872.06
  6. Step 6: Final answer
    x = 61,933.25

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1.5x scale

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.