Home / 84,377.32-126,503.49-51,089.56

Finding the Fourth Proportional to 84,377.32, 126,503.49 and 51,089.56

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Solution

The fourth proportional to 84,377.32, 126,503.49 and 51,089.56 is: 76,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,377.32 : 126,503.49 = 51,089.56 : x
  2. Step 2: Convert to fraction form
    84,377.32/126,503.49 = 51,089.56/x
  3. Step 3: Cross multiply
    84,377.32x = 126,503.49 × 51,089.56
  4. Step 4: Simplify right side
    84,377.32x = 6,463,007,642.56
  5. Step 5: Solve for x
    x = 6,463,007,642.56/84,377.32
  6. Step 6: Final answer
    x = 76,596.50

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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.