Home / 67,041.72-100,562.58-17,120.07

Finding the Fourth Proportional to 67,041.72, 100,562.58 and 17,120.07

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Solution

The fourth proportional to 67,041.72, 100,562.58 and 17,120.07 is: 25,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.72 : 100,562.58 = 17,120.07 : x
  2. Step 2: Convert to fraction form
    67,041.72/100,562.58 = 17,120.07/x
  3. Step 3: Cross multiply
    67,041.72x = 100,562.58 × 17,120.07
  4. Step 4: Simplify right side
    67,041.72x = 1,721,638,408.98
  5. Step 5: Solve for x
    x = 1,721,638,408.98/67,041.72
  6. Step 6: Final answer
    x = 25,680.11

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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.