Home / 86,860.91-119,868.51-49,134.35

Finding the Fourth Proportional to 86,860.91, 119,868.51 and 49,134.35

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Solution

The fourth proportional to 86,860.91, 119,868.51 and 49,134.35 is: 67,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,860.91 : 119,868.51 = 49,134.35 : x
  2. Step 2: Convert to fraction form
    86,860.91/119,868.51 = 49,134.35/x
  3. Step 3: Cross multiply
    86,860.91x = 119,868.51 × 49,134.35
  4. Step 4: Simplify right side
    86,860.91x = 5,889,660,724.98
  5. Step 5: Solve for x
    x = 5,889,660,724.98/86,860.91
  6. Step 6: Final answer
    x = 67,805.66

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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.