Home / 48,770.91-73,138.01-19,172.57

Finding the Fourth Proportional to 48,770.91, 73,138.01 and 19,172.57

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Solution

The fourth proportional to 48,770.91, 73,138.01 and 19,172.57 is: 28,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,770.91 : 73,138.01 = 19,172.57 : x
  2. Step 2: Convert to fraction form
    48,770.91/73,138.01 = 19,172.57/x
  3. Step 3: Cross multiply
    48,770.91x = 73,138.01 × 19,172.57
  4. Step 4: Simplify right side
    48,770.91x = 1,402,243,154.83
  5. Step 5: Solve for x
    x = 1,402,243,154.83/48,770.91
  6. Step 6: Final answer
    x = 28,751.63

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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.