Home / 40,119.40-60,114.30-25,301.80

Finding the Fourth Proportional to 40,119.40, 60,114.30 and 25,301.80

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Solution

The fourth proportional to 40,119.40, 60,114.30 and 25,301.80 is: 37,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.40 : 60,114.30 = 25,301.80 : x
  2. Step 2: Convert to fraction form
    40,119.40/60,114.30 = 25,301.80/x
  3. Step 3: Cross multiply
    40,119.40x = 60,114.30 × 25,301.80
  4. Step 4: Simplify right side
    40,119.40x = 1,520,999,995.74
  5. Step 5: Solve for x
    x = 1,520,999,995.74/40,119.40
  6. Step 6: Final answer
    x = 37,911.83

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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.