Home / 67,388.29-92,992.52-40,525.58

Finding the Fourth Proportional to 67,388.29, 92,992.52 and 40,525.58

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Solution

The fourth proportional to 67,388.29, 92,992.52 and 40,525.58 is: 55,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,388.29 : 92,992.52 = 40,525.58 : x
  2. Step 2: Convert to fraction form
    67,388.29/92,992.52 = 40,525.58/x
  3. Step 3: Cross multiply
    67,388.29x = 92,992.52 × 40,525.58
  4. Step 4: Simplify right side
    67,388.29x = 3,768,576,142.46
  5. Step 5: Solve for x
    x = 3,768,576,142.46/67,388.29
  6. Step 6: Final answer
    x = 55,923.31

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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.