Home / 67,351.35-101,221.43-66,184.95

Finding the Fourth Proportional to 67,351.35, 101,221.43 and 66,184.95

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Solution

The fourth proportional to 67,351.35, 101,221.43 and 66,184.95 is: 99,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351.35 : 101,221.43 = 66,184.95 : x
  2. Step 2: Convert to fraction form
    67,351.35/101,221.43 = 66,184.95/x
  3. Step 3: Cross multiply
    67,351.35x = 101,221.43 × 66,184.95
  4. Step 4: Simplify right side
    67,351.35x = 6,699,334,952.55
  5. Step 5: Solve for x
    x = 6,699,334,952.55/67,351.35
  6. Step 6: Final answer
    x = 99,468.46

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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.