Home / 77,608.32-106,949.28-55,213.44

Finding the Fourth Proportional to 77,608.32, 106,949.28 and 55,213.44

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Solution

The fourth proportional to 77,608.32, 106,949.28 and 55,213.44 is: 76,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,608.32 : 106,949.28 = 55,213.44 : x
  2. Step 2: Convert to fraction form
    77,608.32/106,949.28 = 55,213.44/x
  3. Step 3: Cross multiply
    77,608.32x = 106,949.28 × 55,213.44
  4. Step 4: Simplify right side
    77,608.32x = 5,905,037,654.32
  5. Step 5: Solve for x
    x = 5,905,037,654.32/77,608.32
  6. Step 6: Final answer
    x = 76,087.69

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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.