Home / 55,531.03-76,626.22-31,330.58

Finding the Fourth Proportional to 55,531.03, 76,626.22 and 31,330.58

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Solution

The fourth proportional to 55,531.03, 76,626.22 and 31,330.58 is: 43,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,531.03 : 76,626.22 = 31,330.58 : x
  2. Step 2: Convert to fraction form
    55,531.03/76,626.22 = 31,330.58/x
  3. Step 3: Cross multiply
    55,531.03x = 76,626.22 × 31,330.58
  4. Step 4: Simplify right side
    55,531.03x = 2,400,744,010.21
  5. Step 5: Solve for x
    x = 2,400,744,010.21/55,531.03
  6. Step 6: Final answer
    x = 43,232.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.