Home / 67,017.52-92,481.06-40,174.84

Finding the Fourth Proportional to 67,017.52, 92,481.06 and 40,174.84

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Solution

The fourth proportional to 67,017.52, 92,481.06 and 40,174.84 is: 55,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,017.52 : 92,481.06 = 40,174.84 : x
  2. Step 2: Convert to fraction form
    67,017.52/92,481.06 = 40,174.84/x
  3. Step 3: Cross multiply
    67,017.52x = 92,481.06 × 40,174.84
  4. Step 4: Simplify right side
    67,017.52x = 3,715,411,788.53
  5. Step 5: Solve for x
    x = 3,715,411,788.53/67,017.52
  6. Step 6: Final answer
    x = 55,439.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.