Home / 67,255.07-92,139.84-64,732.73

Finding the Fourth Proportional to 67,255.07, 92,139.84 and 64,732.73

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Solution

The fourth proportional to 67,255.07, 92,139.84 and 64,732.73 is: 88,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.07 : 92,139.84 = 64,732.73 : x
  2. Step 2: Convert to fraction form
    67,255.07/92,139.84 = 64,732.73/x
  3. Step 3: Cross multiply
    67,255.07x = 92,139.84 × 64,732.73
  4. Step 4: Simplify right side
    67,255.07x = 5,964,462,924.26
  5. Step 5: Solve for x
    x = 5,964,462,924.26/67,255.07
  6. Step 6: Final answer
    x = 88,684.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.