Home / 86,531.96-119,415.66-50,747.78

Finding the Fourth Proportional to 86,531.96, 119,415.66 and 50,747.78

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Solution

The fourth proportional to 86,531.96, 119,415.66 and 50,747.78 is: 70,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531.96 : 119,415.66 = 50,747.78 : x
  2. Step 2: Convert to fraction form
    86,531.96/119,415.66 = 50,747.78/x
  3. Step 3: Cross multiply
    86,531.96x = 119,415.66 × 50,747.78
  4. Step 4: Simplify right side
    86,531.96x = 6,060,079,642.23
  5. Step 5: Solve for x
    x = 6,060,079,642.23/86,531.96
  6. Step 6: Final answer
    x = 70,032.85

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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.