Home / 69,090.89-103,636.33-38,122.97

Finding the Fourth Proportional to 69,090.89, 103,636.33 and 38,122.97

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Solution

The fourth proportional to 69,090.89, 103,636.33 and 38,122.97 is: 57,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.89 : 103,636.33 = 38,122.97 : x
  2. Step 2: Convert to fraction form
    69,090.89/103,636.33 = 38,122.97/x
  3. Step 3: Cross multiply
    69,090.89x = 103,636.33 × 38,122.97
  4. Step 4: Simplify right side
    69,090.89x = 3,950,924,086.01
  5. Step 5: Solve for x
    x = 3,950,924,086.01/69,090.89
  6. Step 6: Final answer
    x = 57,184.45

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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.