Home / 62,146.53-93,190.91-20,018.70

Finding the Fourth Proportional to 62,146.53, 93,190.91 and 20,018.70

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Solution

The fourth proportional to 62,146.53, 93,190.91 and 20,018.70 is: 30,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,146.53 : 93,190.91 = 20,018.70 : x
  2. Step 2: Convert to fraction form
    62,146.53/93,190.91 = 20,018.70/x
  3. Step 3: Cross multiply
    62,146.53x = 93,190.91 × 20,018.70
  4. Step 4: Simplify right side
    62,146.53x = 1,865,560,769.92
  5. Step 5: Solve for x
    x = 1,865,560,769.92/62,146.53
  6. Step 6: Final answer
    x = 30,018.74

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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.