Home / 79,114.67-109,178.37-43,306.95

Finding the Fourth Proportional to 79,114.67, 109,178.37 and 43,306.95

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Solution

The fourth proportional to 79,114.67, 109,178.37 and 43,306.95 is: 59,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.67 : 109,178.37 = 43,306.95 : x
  2. Step 2: Convert to fraction form
    79,114.67/109,178.37 = 43,306.95/x
  3. Step 3: Cross multiply
    79,114.67x = 109,178.37 × 43,306.95
  4. Step 4: Simplify right side
    79,114.67x = 4,728,181,994.14
  5. Step 5: Solve for x
    x = 4,728,181,994.14/79,114.67
  6. Step 6: Final answer
    x = 59,763.66

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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.