Home / 53,853.78-80,781.75-14,410.83

Finding the Fourth Proportional to 53,853.78, 80,781.75 and 14,410.83

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Solution

The fourth proportional to 53,853.78, 80,781.75 and 14,410.83 is: 21,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.78 : 80,781.75 = 14,410.83 : x
  2. Step 2: Convert to fraction form
    53,853.78/80,781.75 = 14,410.83/x
  3. Step 3: Cross multiply
    53,853.78x = 80,781.75 × 14,410.83
  4. Step 4: Simplify right side
    53,853.78x = 1,164,132,066.35
  5. Step 5: Solve for x
    x = 1,164,132,066.35/53,853.78
  6. Step 6: Final answer
    x = 21,616.53

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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.