Home / 67,067.12-92,552.36-38,386.64

Finding the Fourth Proportional to 67,067.12, 92,552.36 and 38,386.64

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Solution

The fourth proportional to 67,067.12, 92,552.36 and 38,386.64 is: 52,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,067.12 : 92,552.36 = 38,386.64 : x
  2. Step 2: Convert to fraction form
    67,067.12/92,552.36 = 38,386.64/x
  3. Step 3: Cross multiply
    67,067.12x = 92,552.36 × 38,386.64
  4. Step 4: Simplify right side
    67,067.12x = 3,552,774,163.92
  5. Step 5: Solve for x
    x = 3,552,774,163.92/67,067.12
  6. Step 6: Final answer
    x = 52,973.41

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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.