Home / 54,530.74-81,712.67-36,695.35

Finding the Fourth Proportional to 54,530.74, 81,712.67 and 36,695.35

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Solution

The fourth proportional to 54,530.74, 81,712.67 and 36,695.35 is: 54,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.74 : 81,712.67 = 36,695.35 : x
  2. Step 2: Convert to fraction form
    54,530.74/81,712.67 = 36,695.35/x
  3. Step 3: Cross multiply
    54,530.74x = 81,712.67 × 36,695.35
  4. Step 4: Simplify right side
    54,530.74x = 2,998,474,616.52
  5. Step 5: Solve for x
    x = 2,998,474,616.52/54,530.74
  6. Step 6: Final answer
    x = 54,986.87

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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.