Home / 75,478.67-113,174.27-31,055.24

Finding the Fourth Proportional to 75,478.67, 113,174.27 and 31,055.24

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Solution

The fourth proportional to 75,478.67, 113,174.27 and 31,055.24 is: 46,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.67 : 113,174.27 = 31,055.24 : x
  2. Step 2: Convert to fraction form
    75,478.67/113,174.27 = 31,055.24/x
  3. Step 3: Cross multiply
    75,478.67x = 113,174.27 × 31,055.24
  4. Step 4: Simplify right side
    75,478.67x = 3,514,653,395.53
  5. Step 5: Solve for x
    x = 3,514,653,395.53/75,478.67
  6. Step 6: Final answer
    x = 46,564.86

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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.