Home / 48,621.19-72,902.62-19,003.75

Finding the Fourth Proportional to 48,621.19, 72,902.62 and 19,003.75

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Solution

The fourth proportional to 48,621.19, 72,902.62 and 19,003.75 is: 28,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,621.19 : 72,902.62 = 19,003.75 : x
  2. Step 2: Convert to fraction form
    48,621.19/72,902.62 = 19,003.75/x
  3. Step 3: Cross multiply
    48,621.19x = 72,902.62 × 19,003.75
  4. Step 4: Simplify right side
    48,621.19x = 1,385,423,164.83
  5. Step 5: Solve for x
    x = 1,385,423,164.83/48,621.19
  6. Step 6: Final answer
    x = 28,494.23

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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.