Home / 71,079.06-106,679.99-28,982.34

Finding the Fourth Proportional to 71,079.06, 106,679.99 and 28,982.34

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Solution

The fourth proportional to 71,079.06, 106,679.99 and 28,982.34 is: 43,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079.06 : 106,679.99 = 28,982.34 : x
  2. Step 2: Convert to fraction form
    71,079.06/106,679.99 = 28,982.34/x
  3. Step 3: Cross multiply
    71,079.06x = 106,679.99 × 28,982.34
  4. Step 4: Simplify right side
    71,079.06x = 3,091,835,741.38
  5. Step 5: Solve for x
    x = 3,091,835,741.38/71,079.06
  6. Step 6: Final answer
    x = 43,498.55

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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.