Home / 94,123.26-140,354.60-81,059.58

Finding the Fourth Proportional to 94,123.26, 140,354.60 and 81,059.58

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Solution

The fourth proportional to 94,123.26, 140,354.60 and 81,059.58 is: 120,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.26 : 140,354.60 = 81,059.58 : x
  2. Step 2: Convert to fraction form
    94,123.26/140,354.60 = 81,059.58/x
  3. Step 3: Cross multiply
    94,123.26x = 140,354.60 × 81,059.58
  4. Step 4: Simplify right side
    94,123.26x = 11,377,084,521.77
  5. Step 5: Solve for x
    x = 11,377,084,521.77/94,123.26
  6. Step 6: Final answer
    x = 120,874.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.