Home / 48,072.62-72,011-39,219.50

Finding the Fourth Proportional to 48,072.62, 72,011 and 39,219.50

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Solution

The fourth proportional to 48,072.62, 72,011 and 39,219.50 is: 58,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.62 : 72,011 = 39,219.50 : x
  2. Step 2: Convert to fraction form
    48,072.62/72,011 = 39,219.50/x
  3. Step 3: Cross multiply
    48,072.62x = 72,011 × 39,219.50
  4. Step 4: Simplify right side
    48,072.62x = 2,824,235,414.50
  5. Step 5: Solve for x
    x = 2,824,235,414.50/48,072.62
  6. Step 6: Final answer
    x = 58,749.35

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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.