Home / 81,580.16-122,370.18-22,416.14

Finding the Fourth Proportional to 81,580.16, 122,370.18 and 22,416.14

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Solution

The fourth proportional to 81,580.16, 122,370.18 and 22,416.14 is: 33,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,580.16 : 122,370.18 = 22,416.14 : x
  2. Step 2: Convert to fraction form
    81,580.16/122,370.18 = 22,416.14/x
  3. Step 3: Cross multiply
    81,580.16x = 122,370.18 × 22,416.14
  4. Step 4: Simplify right side
    81,580.16x = 2,743,067,086.71
  5. Step 5: Solve for x
    x = 2,743,067,086.71/81,580.16
  6. Step 6: Final answer
    x = 33,624.19

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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.