Home / 52,769.16-72,817.65-28,891.98

Finding the Fourth Proportional to 52,769.16, 72,817.65 and 28,891.98

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Solution

The fourth proportional to 52,769.16, 72,817.65 and 28,891.98 is: 39,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.16 : 72,817.65 = 28,891.98 : x
  2. Step 2: Convert to fraction form
    52,769.16/72,817.65 = 28,891.98/x
  3. Step 3: Cross multiply
    52,769.16x = 72,817.65 × 28,891.98
  4. Step 4: Simplify right side
    52,769.16x = 2,103,846,087.45
  5. Step 5: Solve for x
    x = 2,103,846,087.45/52,769.16
  6. Step 6: Final answer
    x = 39,868.86

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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.