Home / 53,241.80-79,726.10-51,665.13

Finding the Fourth Proportional to 53,241.80, 79,726.10 and 51,665.13

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Solution

The fourth proportional to 53,241.80, 79,726.10 and 51,665.13 is: 77,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.80 : 79,726.10 = 51,665.13 : x
  2. Step 2: Convert to fraction form
    53,241.80/79,726.10 = 51,665.13/x
  3. Step 3: Cross multiply
    53,241.80x = 79,726.10 × 51,665.13
  4. Step 4: Simplify right side
    53,241.80x = 4,119,059,062.57
  5. Step 5: Solve for x
    x = 4,119,059,062.57/53,241.80
  6. Step 6: Final answer
    x = 77,365.14

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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.