Home / 52,717.80-72,749.43-28,844.40

Finding the Fourth Proportional to 52,717.80, 72,749.43 and 28,844.40

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Solution

The fourth proportional to 52,717.80, 72,749.43 and 28,844.40 is: 39,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,717.80 : 72,749.43 = 28,844.40 : x
  2. Step 2: Convert to fraction form
    52,717.80/72,749.43 = 28,844.40/x
  3. Step 3: Cross multiply
    52,717.80x = 72,749.43 × 28,844.40
  4. Step 4: Simplify right side
    52,717.80x = 2,098,413,658.69
  5. Step 5: Solve for x
    x = 2,098,413,658.69/52,717.80
  6. Step 6: Final answer
    x = 39,804.65

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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.