Home / 52,868.84-72,961.20-28,996.52

Finding the Fourth Proportional to 52,868.84, 72,961.20 and 28,996.52

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Solution

The fourth proportional to 52,868.84, 72,961.20 and 28,996.52 is: 40,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.84 : 72,961.20 = 28,996.52 : x
  2. Step 2: Convert to fraction form
    52,868.84/72,961.20 = 28,996.52/x
  3. Step 3: Cross multiply
    52,868.84x = 72,961.20 × 28,996.52
  4. Step 4: Simplify right side
    52,868.84x = 2,115,620,530.22
  5. Step 5: Solve for x
    x = 2,115,620,530.22/52,868.84
  6. Step 6: Final answer
    x = 40,016.40

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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.