Home / 73,626.16-110,442.92-21,043.40

Finding the Fourth Proportional to 73,626.16, 110,442.92 and 21,043.40

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Solution

The fourth proportional to 73,626.16, 110,442.92 and 21,043.40 is: 31,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,626.16 : 110,442.92 = 21,043.40 : x
  2. Step 2: Convert to fraction form
    73,626.16/110,442.92 = 21,043.40/x
  3. Step 3: Cross multiply
    73,626.16x = 110,442.92 × 21,043.40
  4. Step 4: Simplify right side
    73,626.16x = 2,324,094,542.73
  5. Step 5: Solve for x
    x = 2,324,094,542.73/73,626.16
  6. Step 6: Final answer
    x = 31,566.15

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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.