Home / 80,070.36-120,111.78-46,793.88

Finding the Fourth Proportional to 80,070.36, 120,111.78 and 46,793.88

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Solution

The fourth proportional to 80,070.36, 120,111.78 and 46,793.88 is: 70,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.36 : 120,111.78 = 46,793.88 : x
  2. Step 2: Convert to fraction form
    80,070.36/120,111.78 = 46,793.88/x
  3. Step 3: Cross multiply
    80,070.36x = 120,111.78 × 46,793.88
  4. Step 4: Simplify right side
    80,070.36x = 5,620,496,219.91
  5. Step 5: Solve for x
    x = 5,620,496,219.91/80,070.36
  6. Step 6: Final answer
    x = 70,194.47

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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.