Home / 76,994.35-106,251.03-43,002.45

Finding the Fourth Proportional to 76,994.35, 106,251.03 and 43,002.45

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Solution

The fourth proportional to 76,994.35, 106,251.03 and 43,002.45 is: 59,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994.35 : 106,251.03 = 43,002.45 : x
  2. Step 2: Convert to fraction form
    76,994.35/106,251.03 = 43,002.45/x
  3. Step 3: Cross multiply
    76,994.35x = 106,251.03 × 43,002.45
  4. Step 4: Simplify right side
    76,994.35x = 4,569,054,605.02
  5. Step 5: Solve for x
    x = 4,569,054,605.02/76,994.35
  6. Step 6: Final answer
    x = 59,342.73

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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.