Home / 77,289.72-106,659.66-43,758.84

Finding the Fourth Proportional to 77,289.72, 106,659.66 and 43,758.84

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Solution

The fourth proportional to 77,289.72, 106,659.66 and 43,758.84 is: 60,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.72 : 106,659.66 = 43,758.84 : x
  2. Step 2: Convert to fraction form
    77,289.72/106,659.66 = 43,758.84/x
  3. Step 3: Cross multiply
    77,289.72x = 106,659.66 × 43,758.84
  4. Step 4: Simplify right side
    77,289.72x = 4,667,302,996.39
  5. Step 5: Solve for x
    x = 4,667,302,996.39/77,289.72
  6. Step 6: Final answer
    x = 60,387.11

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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.