Home / 71,001.98-106,525.07-21,082.34

Finding the Fourth Proportional to 71,001.98, 106,525.07 and 21,082.34

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Solution

The fourth proportional to 71,001.98, 106,525.07 and 21,082.34 is: 31,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001.98 : 106,525.07 = 21,082.34 : x
  2. Step 2: Convert to fraction form
    71,001.98/106,525.07 = 21,082.34/x
  3. Step 3: Cross multiply
    71,001.98x = 106,525.07 × 21,082.34
  4. Step 4: Simplify right side
    71,001.98x = 2,245,797,796.97
  5. Step 5: Solve for x
    x = 2,245,797,796.97/71,001.98
  6. Step 6: Final answer
    x = 31,630.07

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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.