Home / 75,837.47-113,707.60-31,494.83

Finding the Fourth Proportional to 75,837.47, 113,707.60 and 31,494.83

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Solution

The fourth proportional to 75,837.47, 113,707.60 and 31,494.83 is: 47,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,837.47 : 113,707.60 = 31,494.83 : x
  2. Step 2: Convert to fraction form
    75,837.47/113,707.60 = 31,494.83/x
  3. Step 3: Cross multiply
    75,837.47x = 113,707.60 × 31,494.83
  4. Step 4: Simplify right side
    75,837.47x = 3,581,200,884.43
  5. Step 5: Solve for x
    x = 3,581,200,884.43/75,837.47
  6. Step 6: Final answer
    x = 47,222.05

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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.