Home / 68,454.42-94,950.39-66,633.72

Finding the Fourth Proportional to 68,454.42, 94,950.39 and 66,633.72

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Solution

The fourth proportional to 68,454.42, 94,950.39 and 66,633.72 is: 92,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.42 : 94,950.39 = 66,633.72 : x
  2. Step 2: Convert to fraction form
    68,454.42/94,950.39 = 66,633.72/x
  3. Step 3: Cross multiply
    68,454.42x = 94,950.39 × 66,633.72
  4. Step 4: Simplify right side
    68,454.42x = 6,326,897,701.15
  5. Step 5: Solve for x
    x = 6,326,897,701.15/68,454.42
  6. Step 6: Final answer
    x = 92,424.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.