Home / 60,121.09-90,029.07-36,090.44

Finding the Fourth Proportional to 60,121.09, 90,029.07 and 36,090.44

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Solution

The fourth proportional to 60,121.09, 90,029.07 and 36,090.44 is: 54,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.09 : 90,029.07 = 36,090.44 : x
  2. Step 2: Convert to fraction form
    60,121.09/90,029.07 = 36,090.44/x
  3. Step 3: Cross multiply
    60,121.09x = 90,029.07 × 36,090.44
  4. Step 4: Simplify right side
    60,121.09x = 3,249,188,383.35
  5. Step 5: Solve for x
    x = 3,249,188,383.35/60,121.09
  6. Step 6: Final answer
    x = 54,044.07

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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.