Home / 53,192.73-79,791.12-19,909.29

Finding the Fourth Proportional to 53,192.73, 79,791.12 and 19,909.29

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Solution

The fourth proportional to 53,192.73, 79,791.12 and 19,909.29 is: 29,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.73 : 79,791.12 = 19,909.29 : x
  2. Step 2: Convert to fraction form
    53,192.73/79,791.12 = 19,909.29/x
  3. Step 3: Cross multiply
    53,192.73x = 79,791.12 × 19,909.29
  4. Step 4: Simplify right side
    53,192.73x = 1,588,584,547.50
  5. Step 5: Solve for x
    x = 1,588,584,547.50/53,192.73
  6. Step 6: Final answer
    x = 29,864.69

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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.