Home / 73,166.16-109,743.76-26,419.03

Finding the Fourth Proportional to 73,166.16, 109,743.76 and 26,419.03

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Solution

The fourth proportional to 73,166.16, 109,743.76 and 26,419.03 is: 39,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.16 : 109,743.76 = 26,419.03 : x
  2. Step 2: Convert to fraction form
    73,166.16/109,743.76 = 26,419.03/x
  3. Step 3: Cross multiply
    73,166.16x = 109,743.76 × 26,419.03
  4. Step 4: Simplify right side
    73,166.16x = 2,899,323,687.75
  5. Step 5: Solve for x
    x = 2,899,323,687.75/73,166.16
  6. Step 6: Final answer
    x = 39,626.57

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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.