Home / 79,744.91-119,640.76-23,586.50

Finding the Fourth Proportional to 79,744.91, 119,640.76 and 23,586.50

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Solution

The fourth proportional to 79,744.91, 119,640.76 and 23,586.50 is: 35,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.91 : 119,640.76 = 23,586.50 : x
  2. Step 2: Convert to fraction form
    79,744.91/119,640.76 = 23,586.50/x
  3. Step 3: Cross multiply
    79,744.91x = 119,640.76 × 23,586.50
  4. Step 4: Simplify right side
    79,744.91x = 2,821,906,069.60
  5. Step 5: Solve for x
    x = 2,821,906,069.60/79,744.91
  6. Step 6: Final answer
    x = 35,386.66

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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.