Home / 106,396.32-159,617.81-31,522.35

Finding the Fourth Proportional to 106,396.32, 159,617.81 and 31,522.35

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Solution

The fourth proportional to 106,396.32, 159,617.81 and 31,522.35 is: 47,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.32 : 159,617.81 = 31,522.35 : x
  2. Step 2: Convert to fraction form
    106,396.32/159,617.81 = 31,522.35/x
  3. Step 3: Cross multiply
    106,396.32x = 159,617.81 × 31,522.35
  4. Step 4: Simplify right side
    106,396.32x = 5,031,528,473.05
  5. Step 5: Solve for x
    x = 5,031,528,473.05/106,396.32
  6. Step 6: Final answer
    x = 47,290.44

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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.