Home / 71,330.24-106,995.10-21,410.12

Finding the Fourth Proportional to 71,330.24, 106,995.10 and 21,410.12

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Solution

The fourth proportional to 71,330.24, 106,995.10 and 21,410.12 is: 32,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.24 : 106,995.10 = 21,410.12 : x
  2. Step 2: Convert to fraction form
    71,330.24/106,995.10 = 21,410.12/x
  3. Step 3: Cross multiply
    71,330.24x = 106,995.10 × 21,410.12
  4. Step 4: Simplify right side
    71,330.24x = 2,290,777,288.39
  5. Step 5: Solve for x
    x = 2,290,777,288.39/71,330.24
  6. Step 6: Final answer
    x = 32,115.10

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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.