Home / 53,275.86-79,918.11-17,735.90

Finding the Fourth Proportional to 53,275.86, 79,918.11 and 17,735.90

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Solution

The fourth proportional to 53,275.86, 79,918.11 and 17,735.90 is: 26,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.86 : 79,918.11 = 17,735.90 : x
  2. Step 2: Convert to fraction form
    53,275.86/79,918.11 = 17,735.90/x
  3. Step 3: Cross multiply
    53,275.86x = 79,918.11 × 17,735.90
  4. Step 4: Simplify right side
    53,275.86x = 1,417,419,207.56
  5. Step 5: Solve for x
    x = 1,417,419,207.56/53,275.86
  6. Step 6: Final answer
    x = 26,605.28

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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.