Home / 80,445.04-120,628.38-24,274.60

Finding the Fourth Proportional to 80,445.04, 120,628.38 and 24,274.60

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Solution

The fourth proportional to 80,445.04, 120,628.38 and 24,274.60 is: 36,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445.04 : 120,628.38 = 24,274.60 : x
  2. Step 2: Convert to fraction form
    80,445.04/120,628.38 = 24,274.60/x
  3. Step 3: Cross multiply
    80,445.04x = 120,628.38 × 24,274.60
  4. Step 4: Simplify right side
    80,445.04x = 2,928,205,673.15
  5. Step 5: Solve for x
    x = 2,928,205,673.15/80,445.04
  6. Step 6: Final answer
    x = 36,400.08

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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.