Home / 52,988.73-79,836.52-47,928.76

Finding the Fourth Proportional to 52,988.73, 79,836.52 and 47,928.76

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Solution

The fourth proportional to 52,988.73, 79,836.52 and 47,928.76 is: 72,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.73 : 79,836.52 = 47,928.76 : x
  2. Step 2: Convert to fraction form
    52,988.73/79,836.52 = 47,928.76/x
  3. Step 3: Cross multiply
    52,988.73x = 79,836.52 × 47,928.76
  4. Step 4: Simplify right side
    52,988.73x = 3,826,465,625.85
  5. Step 5: Solve for x
    x = 3,826,465,625.85/52,988.73
  6. Step 6: Final answer
    x = 72,212.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.