Home / 52,694.36-72,719.96-28,821.04

Finding the Fourth Proportional to 52,694.36, 72,719.96 and 28,821.04

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Solution

The fourth proportional to 52,694.36, 72,719.96 and 28,821.04 is: 39,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,694.36 : 72,719.96 = 28,821.04 : x
  2. Step 2: Convert to fraction form
    52,694.36/72,719.96 = 28,821.04/x
  3. Step 3: Cross multiply
    52,694.36x = 72,719.96 × 28,821.04
  4. Step 4: Simplify right side
    52,694.36x = 2,095,864,658.13
  5. Step 5: Solve for x
    x = 2,095,864,658.13/52,694.36
  6. Step 6: Final answer
    x = 39,773.98

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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.