Home / 85,668.44-128,487.18-23,324.36

Finding the Fourth Proportional to 85,668.44, 128,487.18 and 23,324.36

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Solution

The fourth proportional to 85,668.44, 128,487.18 and 23,324.36 is: 34,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,668.44 : 128,487.18 = 23,324.36 : x
  2. Step 2: Convert to fraction form
    85,668.44/128,487.18 = 23,324.36/x
  3. Step 3: Cross multiply
    85,668.44x = 128,487.18 × 23,324.36
  4. Step 4: Simplify right side
    85,668.44x = 2,996,881,241.70
  5. Step 5: Solve for x
    x = 2,996,881,241.70/85,668.44
  6. Step 6: Final answer
    x = 34,982.33

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1.5x scale

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.