Home / 86,527.25-119,299.43-72,207.71

Finding the Fourth Proportional to 86,527.25, 119,299.43 and 72,207.71

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Solution

The fourth proportional to 86,527.25, 119,299.43 and 72,207.71 is: 99,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,527.25 : 119,299.43 = 72,207.71 : x
  2. Step 2: Convert to fraction form
    86,527.25/119,299.43 = 72,207.71/x
  3. Step 3: Cross multiply
    86,527.25x = 119,299.43 × 72,207.71
  4. Step 4: Simplify right side
    86,527.25x = 8,614,338,283.57
  5. Step 5: Solve for x
    x = 8,614,338,283.57/86,527.25
  6. Step 6: Final answer
    x = 99,556.36

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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.