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Finding the Fourth Proportional to 80,365.84, 120,575.56 and 53,454.28

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Solution

The fourth proportional to 80,365.84, 120,575.56 and 53,454.28 is: 80,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,365.84 : 120,575.56 = 53,454.28 : x
  2. Step 2: Convert to fraction form
    80,365.84/120,575.56 = 53,454.28/x
  3. Step 3: Cross multiply
    80,365.84x = 120,575.56 × 53,454.28
  4. Step 4: Simplify right side
    80,365.84x = 6,445,279,443.96
  5. Step 5: Solve for x
    x = 6,445,279,443.96/80,365.84
  6. Step 6: Final answer
    x = 80,199.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.