Home / 84,923.86-127,377.96-28,757.52

Finding the Fourth Proportional to 84,923.86, 127,377.96 and 28,757.52

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Solution

The fourth proportional to 84,923.86, 127,377.96 and 28,757.52 is: 43,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.86 : 127,377.96 = 28,757.52 : x
  2. Step 2: Convert to fraction form
    84,923.86/127,377.96 = 28,757.52/x
  3. Step 3: Cross multiply
    84,923.86x = 127,377.96 × 28,757.52
  4. Step 4: Simplify right side
    84,923.86x = 3,663,074,232.26
  5. Step 5: Solve for x
    x = 3,663,074,232.26/84,923.86
  6. Step 6: Final answer
    x = 43,133.63

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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.