Home / 77,972.22-107,573.67-44,418.78

Finding the Fourth Proportional to 77,972.22, 107,573.67 and 44,418.78

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Solution

The fourth proportional to 77,972.22, 107,573.67 and 44,418.78 is: 61,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972.22 : 107,573.67 = 44,418.78 : x
  2. Step 2: Convert to fraction form
    77,972.22/107,573.67 = 44,418.78/x
  3. Step 3: Cross multiply
    77,972.22x = 107,573.67 × 44,418.78
  4. Step 4: Simplify right side
    77,972.22x = 4,778,291,181.52
  5. Step 5: Solve for x
    x = 4,778,291,181.52/77,972.22
  6. Step 6: Final answer
    x = 61,281.97

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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.