Home / 40,109.61-60,165.02-15,161.41

Finding the Fourth Proportional to 40,109.61, 60,165.02 and 15,161.41

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Solution

The fourth proportional to 40,109.61, 60,165.02 and 15,161.41 is: 22,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.61 : 60,165.02 = 15,161.41 : x
  2. Step 2: Convert to fraction form
    40,109.61/60,165.02 = 15,161.41/x
  3. Step 3: Cross multiply
    40,109.61x = 60,165.02 × 15,161.41
  4. Step 4: Simplify right side
    40,109.61x = 912,186,535.88
  5. Step 5: Solve for x
    x = 912,186,535.88/40,109.61
  6. Step 6: Final answer
    x = 22,742.34

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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.