Home / 77,743.64-116,626.32-38,301.08

Finding the Fourth Proportional to 77,743.64, 116,626.32 and 38,301.08

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Solution

The fourth proportional to 77,743.64, 116,626.32 and 38,301.08 is: 57,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.64 : 116,626.32 = 38,301.08 : x
  2. Step 2: Convert to fraction form
    77,743.64/116,626.32 = 38,301.08/x
  3. Step 3: Cross multiply
    77,743.64x = 116,626.32 × 38,301.08
  4. Step 4: Simplify right side
    77,743.64x = 4,466,914,012.43
  5. Step 5: Solve for x
    x = 4,466,914,012.43/77,743.64
  6. Step 6: Final answer
    x = 57,456.97

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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.