Home / 71,213.81-106,832.59-29,116.49

Finding the Fourth Proportional to 71,213.81, 106,832.59 and 29,116.49

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Solution

The fourth proportional to 71,213.81, 106,832.59 and 29,116.49 is: 43,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,213.81 : 106,832.59 = 29,116.49 : x
  2. Step 2: Convert to fraction form
    71,213.81/106,832.59 = 29,116.49/x
  3. Step 3: Cross multiply
    71,213.81x = 106,832.59 × 29,116.49
  4. Step 4: Simplify right side
    71,213.81x = 3,110,589,431.45
  5. Step 5: Solve for x
    x = 3,110,589,431.45/71,213.81
  6. Step 6: Final answer
    x = 43,679.58

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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.