Home / 52,712.93-72,745.59-28,839.62

Finding the Fourth Proportional to 52,712.93, 72,745.59 and 28,839.62

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Solution

The fourth proportional to 52,712.93, 72,745.59 and 28,839.62 is: 39,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.93 : 72,745.59 = 28,839.62 : x
  2. Step 2: Convert to fraction form
    52,712.93/72,745.59 = 28,839.62/x
  3. Step 3: Cross multiply
    52,712.93x = 72,745.59 × 28,839.62
  4. Step 4: Simplify right side
    52,712.93x = 2,097,955,053.09
  5. Step 5: Solve for x
    x = 2,097,955,053.09/52,712.93
  6. Step 6: Final answer
    x = 39,799.63

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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.