Home / 77,572.11-116,351.66-30,812.43

Finding the Fourth Proportional to 77,572.11, 116,351.66 and 30,812.43

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Solution

The fourth proportional to 77,572.11, 116,351.66 and 30,812.43 is: 46,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.11 : 116,351.66 = 30,812.43 : x
  2. Step 2: Convert to fraction form
    77,572.11/116,351.66 = 30,812.43/x
  3. Step 3: Cross multiply
    77,572.11x = 116,351.66 × 30,812.43
  4. Step 4: Simplify right side
    77,572.11x = 3,585,077,379.13
  5. Step 5: Solve for x
    x = 3,585,077,379.13/77,572.11
  6. Step 6: Final answer
    x = 46,216.06

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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.