Home / 52,791.04-79,196.53-21,203.58

Finding the Fourth Proportional to 52,791.04, 79,196.53 and 21,203.58

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Solution

The fourth proportional to 52,791.04, 79,196.53 and 21,203.58 is: 31,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.04 : 79,196.53 = 21,203.58 : x
  2. Step 2: Convert to fraction form
    52,791.04/79,196.53 = 21,203.58/x
  3. Step 3: Cross multiply
    52,791.04x = 79,196.53 × 21,203.58
  4. Step 4: Simplify right side
    52,791.04x = 1,679,249,960.94
  5. Step 5: Solve for x
    x = 1,679,249,960.94/52,791.04
  6. Step 6: Final answer
    x = 31,809.37

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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.