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Finding the Fourth Proportional to 80,402.71, 110,962.55 and 44,604.25

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Solution

The fourth proportional to 80,402.71, 110,962.55 and 44,604.25 is: 61,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402.71 : 110,962.55 = 44,604.25 : x
  2. Step 2: Convert to fraction form
    80,402.71/110,962.55 = 44,604.25/x
  3. Step 3: Cross multiply
    80,402.71x = 110,962.55 × 44,604.25
  4. Step 4: Simplify right side
    80,402.71x = 4,949,401,320.84
  5. Step 5: Solve for x
    x = 4,949,401,320.84/80,402.71
  6. Step 6: Final answer
    x = 61,557.64

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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.