Home / 75,849.48-113,709.96-31,448.52

Finding the Fourth Proportional to 75,849.48, 113,709.96 and 31,448.52

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Solution

The fourth proportional to 75,849.48, 113,709.96 and 31,448.52 is: 47,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849.48 : 113,709.96 = 31,448.52 : x
  2. Step 2: Convert to fraction form
    75,849.48/113,709.96 = 31,448.52/x
  3. Step 3: Cross multiply
    75,849.48x = 113,709.96 × 31,448.52
  4. Step 4: Simplify right side
    75,849.48x = 3,576,009,951.26
  5. Step 5: Solve for x
    x = 3,576,009,951.26/75,849.48
  6. Step 6: Final answer
    x = 47,146.14

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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.