Home / 53,780.66-80,680.21-16,344.51

Finding the Fourth Proportional to 53,780.66, 80,680.21 and 16,344.51

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Solution

The fourth proportional to 53,780.66, 80,680.21 and 16,344.51 is: 24,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.66 : 80,680.21 = 16,344.51 : x
  2. Step 2: Convert to fraction form
    53,780.66/80,680.21 = 16,344.51/x
  3. Step 3: Cross multiply
    53,780.66x = 80,680.21 × 16,344.51
  4. Step 4: Simplify right side
    53,780.66x = 1,318,678,417.42
  5. Step 5: Solve for x
    x = 1,318,678,417.42/53,780.66
  6. Step 6: Final answer
    x = 24,519.57

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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.