Home / 75,514.10-113,284.81-31,116.16

Finding the Fourth Proportional to 75,514.10, 113,284.81 and 31,116.16

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Solution

The fourth proportional to 75,514.10, 113,284.81 and 31,116.16 is: 46,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.10 : 113,284.81 = 31,116.16 : x
  2. Step 2: Convert to fraction form
    75,514.10/113,284.81 = 31,116.16/x
  3. Step 3: Cross multiply
    75,514.10x = 113,284.81 × 31,116.16
  4. Step 4: Simplify right side
    75,514.10x = 3,524,987,707.11
  5. Step 5: Solve for x
    x = 3,524,987,707.11/75,514.10
  6. Step 6: Final answer
    x = 46,679.86

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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.