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Finding the Fourth Proportional to 80,077.76, 110,507.34 and 44,267.78

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Solution

The fourth proportional to 80,077.76, 110,507.34 and 44,267.78 is: 61,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,077.76 : 110,507.34 = 44,267.78 : x
  2. Step 2: Convert to fraction form
    80,077.76/110,507.34 = 44,267.78/x
  3. Step 3: Cross multiply
    80,077.76x = 110,507.34 × 44,267.78
  4. Step 4: Simplify right side
    80,077.76x = 4,891,914,615.51
  5. Step 5: Solve for x
    x = 4,891,914,615.51/80,077.76
  6. Step 6: Final answer
    x = 61,089.55

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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.