Home / 52,731.35-72,769.14-28,858.01

Finding the Fourth Proportional to 52,731.35, 72,769.14 and 28,858.01

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Solution

The fourth proportional to 52,731.35, 72,769.14 and 28,858.01 is: 39,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.35 : 72,769.14 = 28,858.01 : x
  2. Step 2: Convert to fraction form
    52,731.35/72,769.14 = 28,858.01/x
  3. Step 3: Cross multiply
    52,731.35x = 72,769.14 × 28,858.01
  4. Step 4: Simplify right side
    52,731.35x = 2,099,972,205.97
  5. Step 5: Solve for x
    x = 2,099,972,205.97/52,731.35
  6. Step 6: Final answer
    x = 39,823.98

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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.