Home / 53,405.04-80,044.67-21,795.38

Finding the Fourth Proportional to 53,405.04, 80,044.67 and 21,795.38

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Solution

The fourth proportional to 53,405.04, 80,044.67 and 21,795.38 is: 32,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.04 : 80,044.67 = 21,795.38 : x
  2. Step 2: Convert to fraction form
    53,405.04/80,044.67 = 21,795.38/x
  3. Step 3: Cross multiply
    53,405.04x = 80,044.67 × 21,795.38
  4. Step 4: Simplify right side
    53,405.04x = 1,744,603,490.42
  5. Step 5: Solve for x
    x = 1,744,603,490.42/53,405.04
  6. Step 6: Final answer
    x = 32,667.39

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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.