Home / 51,572.20-77,372.70-25,277.80

Finding the Fourth Proportional to 51,572.20, 77,372.70 and 25,277.80

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Solution

The fourth proportional to 51,572.20, 77,372.70 and 25,277.80 is: 37,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.20 : 77,372.70 = 25,277.80 : x
  2. Step 2: Convert to fraction form
    51,572.20/77,372.70 = 25,277.80/x
  3. Step 3: Cross multiply
    51,572.20x = 77,372.70 × 25,277.80
  4. Step 4: Simplify right side
    51,572.20x = 1,955,811,636.06
  5. Step 5: Solve for x
    x = 1,955,811,636.06/51,572.20
  6. Step 6: Final answer
    x = 37,923.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.