Home / 54,871.47-82,416.57-51,776.73

Finding the Fourth Proportional to 54,871.47, 82,416.57 and 51,776.73

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Solution

The fourth proportional to 54,871.47, 82,416.57 and 51,776.73 is: 77,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.47 : 82,416.57 = 51,776.73 : x
  2. Step 2: Convert to fraction form
    54,871.47/82,416.57 = 51,776.73/x
  3. Step 3: Cross multiply
    54,871.47x = 82,416.57 × 51,776.73
  4. Step 4: Simplify right side
    54,871.47x = 4,267,260,492.42
  5. Step 5: Solve for x
    x = 4,267,260,492.42/54,871.47
  6. Step 6: Final answer
    x = 77,768.29

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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.