Home / 67,420.81-101,193.33-34,164.44

Finding the Fourth Proportional to 67,420.81, 101,193.33 and 34,164.44

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Solution

The fourth proportional to 67,420.81, 101,193.33 and 34,164.44 is: 51,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.81 : 101,193.33 = 34,164.44 : x
  2. Step 2: Convert to fraction form
    67,420.81/101,193.33 = 34,164.44/x
  3. Step 3: Cross multiply
    67,420.81x = 101,193.33 × 34,164.44
  4. Step 4: Simplify right side
    67,420.81x = 3,457,213,452.81
  5. Step 5: Solve for x
    x = 3,457,213,452.81/67,420.81
  6. Step 6: Final answer
    x = 51,278.13

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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.