Home / 55,656.60-76,806.38-30,163.02

Finding the Fourth Proportional to 55,656.60, 76,806.38 and 30,163.02

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Solution

The fourth proportional to 55,656.60, 76,806.38 and 30,163.02 is: 41,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,656.60 : 76,806.38 = 30,163.02 : x
  2. Step 2: Convert to fraction form
    55,656.60/76,806.38 = 30,163.02/x
  3. Step 3: Cross multiply
    55,656.60x = 76,806.38 × 30,163.02
  4. Step 4: Simplify right side
    55,656.60x = 2,316,711,993.78
  5. Step 5: Solve for x
    x = 2,316,711,993.78/55,656.60
  6. Step 6: Final answer
    x = 41,625.11

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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.