Home / 52,854.93-72,939.59-28,983.12

Finding the Fourth Proportional to 52,854.93, 72,939.59 and 28,983.12

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Solution

The fourth proportional to 52,854.93, 72,939.59 and 28,983.12 is: 39,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,854.93 : 72,939.59 = 28,983.12 : x
  2. Step 2: Convert to fraction form
    52,854.93/72,939.59 = 28,983.12/x
  3. Step 3: Cross multiply
    52,854.93x = 72,939.59 × 28,983.12
  4. Step 4: Simplify right side
    52,854.93x = 2,114,016,579.97
  5. Step 5: Solve for x
    x = 2,114,016,579.97/52,854.93
  6. Step 6: Final answer
    x = 39,996.58

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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.