Home / 70,982.30-106,495.62-21,062.64

Finding the Fourth Proportional to 70,982.30, 106,495.62 and 21,062.64

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Solution

The fourth proportional to 70,982.30, 106,495.62 and 21,062.64 is: 31,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.30 : 106,495.62 = 21,062.64 : x
  2. Step 2: Convert to fraction form
    70,982.30/106,495.62 = 21,062.64/x
  3. Step 3: Cross multiply
    70,982.30x = 106,495.62 × 21,062.64
  4. Step 4: Simplify right side
    70,982.30x = 2,243,078,905.64
  5. Step 5: Solve for x
    x = 2,243,078,905.64/70,982.30
  6. Step 6: Final answer
    x = 31,600.54

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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.