Home / 84,723.05-127,001.94-40,337.88

Finding the Fourth Proportional to 84,723.05, 127,001.94 and 40,337.88

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Solution

The fourth proportional to 84,723.05, 127,001.94 and 40,337.88 is: 60,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.05 : 127,001.94 = 40,337.88 : x
  2. Step 2: Convert to fraction form
    84,723.05/127,001.94 = 40,337.88/x
  3. Step 3: Cross multiply
    84,723.05x = 127,001.94 × 40,337.88
  4. Step 4: Simplify right side
    84,723.05x = 5,122,989,015.49
  5. Step 5: Solve for x
    x = 5,122,989,015.49/84,723.05
  6. Step 6: Final answer
    x = 60,467.48

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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.