Home / 53,144.61-79,701.78-18,083.49

Finding the Fourth Proportional to 53,144.61, 79,701.78 and 18,083.49

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Solution

The fourth proportional to 53,144.61, 79,701.78 and 18,083.49 is: 27,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.61 : 79,701.78 = 18,083.49 : x
  2. Step 2: Convert to fraction form
    53,144.61/79,701.78 = 18,083.49/x
  3. Step 3: Cross multiply
    53,144.61x = 79,701.78 × 18,083.49
  4. Step 4: Simplify right side
    53,144.61x = 1,441,286,341.61
  5. Step 5: Solve for x
    x = 1,441,286,341.61/53,144.61
  6. Step 6: Final answer
    x = 27,120.09

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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.