Home / 86,456.84-119,320.09-50,677.11

Finding the Fourth Proportional to 86,456.84, 119,320.09 and 50,677.11

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Solution

The fourth proportional to 86,456.84, 119,320.09 and 50,677.11 is: 69,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,456.84 : 119,320.09 = 50,677.11 : x
  2. Step 2: Convert to fraction form
    86,456.84/119,320.09 = 50,677.11/x
  3. Step 3: Cross multiply
    86,456.84x = 119,320.09 × 50,677.11
  4. Step 4: Simplify right side
    86,456.84x = 6,046,797,199.45
  5. Step 5: Solve for x
    x = 6,046,797,199.45/86,456.84
  6. Step 6: Final answer
    x = 69,940.07

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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.