Home / 77,911.07-116,881.18-31,167.59

Finding the Fourth Proportional to 77,911.07, 116,881.18 and 31,167.59

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Solution

The fourth proportional to 77,911.07, 116,881.18 and 31,167.59 is: 46,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,911.07 : 116,881.18 = 31,167.59 : x
  2. Step 2: Convert to fraction form
    77,911.07/116,881.18 = 31,167.59/x
  3. Step 3: Cross multiply
    77,911.07x = 116,881.18 × 31,167.59
  4. Step 4: Simplify right side
    77,911.07x = 3,642,904,034.63
  5. Step 5: Solve for x
    x = 3,642,904,034.63/77,911.07
  6. Step 6: Final answer
    x = 46,757.21

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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.