Home / 97,691.41-146,535.51-31,130.62

Finding the Fourth Proportional to 97,691.41, 146,535.51 and 31,130.62

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Solution

The fourth proportional to 97,691.41, 146,535.51 and 31,130.62 is: 46,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,691.41 : 146,535.51 = 31,130.62 : x
  2. Step 2: Convert to fraction form
    97,691.41/146,535.51 = 31,130.62/x
  3. Step 3: Cross multiply
    97,691.41x = 146,535.51 × 31,130.62
  4. Step 4: Simplify right side
    97,691.41x = 4,561,741,278.32
  5. Step 5: Solve for x
    x = 4,561,741,278.32/97,691.41
  6. Step 6: Final answer
    x = 46,695.42

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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.