Home / 67,931.82-101,898.07-39,832.11

Finding the Fourth Proportional to 67,931.82, 101,898.07 and 39,832.11

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Solution

The fourth proportional to 67,931.82, 101,898.07 and 39,832.11 is: 59,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,931.82 : 101,898.07 = 39,832.11 : x
  2. Step 2: Convert to fraction form
    67,931.82/101,898.07 = 39,832.11/x
  3. Step 3: Cross multiply
    67,931.82x = 101,898.07 × 39,832.11
  4. Step 4: Simplify right side
    67,931.82x = 4,058,815,133.03
  5. Step 5: Solve for x
    x = 4,058,815,133.03/67,931.82
  6. Step 6: Final answer
    x = 59,748.36

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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.