Home / 49,159.90-73,731.75-21,084.49

Finding the Fourth Proportional to 49,159.90, 73,731.75 and 21,084.49

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Solution

The fourth proportional to 49,159.90, 73,731.75 and 21,084.49 is: 31,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,159.90 : 73,731.75 = 21,084.49 : x
  2. Step 2: Convert to fraction form
    49,159.90/73,731.75 = 21,084.49/x
  3. Step 3: Cross multiply
    49,159.90x = 73,731.75 × 21,084.49
  4. Step 4: Simplify right side
    49,159.90x = 1,554,596,345.56
  5. Step 5: Solve for x
    x = 1,554,596,345.56/49,159.90
  6. Step 6: Final answer
    x = 31,623.26

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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.