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Finding the Fourth Proportional to 80,327.60, 110,852.72 and 44,518.20

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Solution

The fourth proportional to 80,327.60, 110,852.72 and 44,518.20 is: 61,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,327.60 : 110,852.72 = 44,518.20 : x
  2. Step 2: Convert to fraction form
    80,327.60/110,852.72 = 44,518.20/x
  3. Step 3: Cross multiply
    80,327.60x = 110,852.72 × 44,518.20
  4. Step 4: Simplify right side
    80,327.60x = 4,934,963,559.50
  5. Step 5: Solve for x
    x = 4,934,963,559.50/80,327.60
  6. Step 6: Final answer
    x = 61,435.47

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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.