Home / 53,781.82-80,672.62-25,616.45

Finding the Fourth Proportional to 53,781.82, 80,672.62 and 25,616.45

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Solution

The fourth proportional to 53,781.82, 80,672.62 and 25,616.45 is: 38,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.82 : 80,672.62 = 25,616.45 : x
  2. Step 2: Convert to fraction form
    53,781.82/80,672.62 = 25,616.45/x
  3. Step 3: Cross multiply
    53,781.82x = 80,672.62 × 25,616.45
  4. Step 4: Simplify right side
    53,781.82x = 2,066,545,605.15
  5. Step 5: Solve for x
    x = 2,066,545,605.15/53,781.82
  6. Step 6: Final answer
    x = 38,424.62

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1.5x scale

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.