Home / 94,930.31-131,006.45-52,490.36

Finding the Fourth Proportional to 94,930.31, 131,006.45 and 52,490.36

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Solution

The fourth proportional to 94,930.31, 131,006.45 and 52,490.36 is: 72,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,930.31 : 131,006.45 = 52,490.36 : x
  2. Step 2: Convert to fraction form
    94,930.31/131,006.45 = 52,490.36/x
  3. Step 3: Cross multiply
    94,930.31x = 131,006.45 × 52,490.36
  4. Step 4: Simplify right side
    94,930.31x = 6,876,575,722.82
  5. Step 5: Solve for x
    x = 6,876,575,722.82/94,930.31
  6. Step 6: Final answer
    x = 72,438.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.