Home / 52,813.68-72,883.16-28,615.03

Finding the Fourth Proportional to 52,813.68, 72,883.16 and 28,615.03

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Solution

The fourth proportional to 52,813.68, 72,883.16 and 28,615.03 is: 39,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.68 : 72,883.16 = 28,615.03 : x
  2. Step 2: Convert to fraction form
    52,813.68/72,883.16 = 28,615.03/x
  3. Step 3: Cross multiply
    52,813.68x = 72,883.16 × 28,615.03
  4. Step 4: Simplify right side
    52,813.68x = 2,085,553,591.92
  5. Step 5: Solve for x
    x = 2,085,553,591.92/52,813.68
  6. Step 6: Final answer
    x = 39,488.89

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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.