Home / 82,583.20-113,983-54,291.52

Finding the Fourth Proportional to 82,583.20, 113,983 and 54,291.52

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Solution

The fourth proportional to 82,583.20, 113,983 and 54,291.52 is: 74,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,583.20 : 113,983 = 54,291.52 : x
  2. Step 2: Convert to fraction form
    82,583.20/113,983 = 54,291.52/x
  3. Step 3: Cross multiply
    82,583.20x = 113,983 × 54,291.52
  4. Step 4: Simplify right side
    82,583.20x = 6,188,310,324.16
  5. Step 5: Solve for x
    x = 6,188,310,324.16/82,583.20
  6. Step 6: Final answer
    x = 74,934.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.