Home / 75,558.99-113,299.61-31,177.47

Finding the Fourth Proportional to 75,558.99, 113,299.61 and 31,177.47

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Solution

The fourth proportional to 75,558.99, 113,299.61 and 31,177.47 is: 46,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.99 : 113,299.61 = 31,177.47 : x
  2. Step 2: Convert to fraction form
    75,558.99/113,299.61 = 31,177.47/x
  3. Step 3: Cross multiply
    75,558.99x = 113,299.61 × 31,177.47
  4. Step 4: Simplify right side
    75,558.99x = 3,532,395,035.90
  5. Step 5: Solve for x
    x = 3,532,395,035.90/75,558.99
  6. Step 6: Final answer
    x = 46,750.16

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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.