Home / 67,272.86-92,836.62-38,994.98

Finding the Fourth Proportional to 67,272.86, 92,836.62 and 38,994.98

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Solution

The fourth proportional to 67,272.86, 92,836.62 and 38,994.98 is: 53,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,272.86 : 92,836.62 = 38,994.98 : x
  2. Step 2: Convert to fraction form
    67,272.86/92,836.62 = 38,994.98/x
  3. Step 3: Cross multiply
    67,272.86x = 92,836.62 × 38,994.98
  4. Step 4: Simplify right side
    67,272.86x = 3,620,162,140.17
  5. Step 5: Solve for x
    x = 3,620,162,140.17/67,272.86
  6. Step 6: Final answer
    x = 53,813.11

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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.