Home / 67,827.40-101,712.30-32,777.80

Finding the Fourth Proportional to 67,827.40, 101,712.30 and 32,777.80

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Solution

The fourth proportional to 67,827.40, 101,712.30 and 32,777.80 is: 49,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,827.40 : 101,712.30 = 32,777.80 : x
  2. Step 2: Convert to fraction form
    67,827.40/101,712.30 = 32,777.80/x
  3. Step 3: Cross multiply
    67,827.40x = 101,712.30 × 32,777.80
  4. Step 4: Simplify right side
    67,827.40x = 3,333,905,426.94
  5. Step 5: Solve for x
    x = 3,333,905,426.94/67,827.40
  6. Step 6: Final answer
    x = 49,152.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.