Home / 97,691.90-146,536.26-31,131.13

Finding the Fourth Proportional to 97,691.90, 146,536.26 and 31,131.13

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Solution

The fourth proportional to 97,691.90, 146,536.26 and 31,131.13 is: 46,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,691.90 : 146,536.26 = 31,131.13 : x
  2. Step 2: Convert to fraction form
    97,691.90/146,536.26 = 31,131.13/x
  3. Step 3: Cross multiply
    97,691.90x = 146,536.26 × 31,131.13
  4. Step 4: Simplify right side
    97,691.90x = 4,561,839,359.77
  5. Step 5: Solve for x
    x = 4,561,839,359.77/97,691.90
  6. Step 6: Final answer
    x = 46,696.19

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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.