Home / 55,301.52-76,316.94-30,151.02

Finding the Fourth Proportional to 55,301.52, 76,316.94 and 30,151.02

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Solution

The fourth proportional to 55,301.52, 76,316.94 and 30,151.02 is: 41,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.52 : 76,316.94 = 30,151.02 : x
  2. Step 2: Convert to fraction form
    55,301.52/76,316.94 = 30,151.02/x
  3. Step 3: Cross multiply
    55,301.52x = 76,316.94 × 30,151.02
  4. Step 4: Simplify right side
    55,301.52x = 2,301,033,584.28
  5. Step 5: Solve for x
    x = 2,301,033,584.28/55,301.52
  6. Step 6: Final answer
    x = 41,608.87

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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.