Home / 94,123.51-140,354.97-81,059.83

Finding the Fourth Proportional to 94,123.51, 140,354.97 and 81,059.83

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Solution

The fourth proportional to 94,123.51, 140,354.97 and 81,059.83 is: 120,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.51 : 140,354.97 = 81,059.83 : x
  2. Step 2: Convert to fraction form
    94,123.51/140,354.97 = 81,059.83/x
  3. Step 3: Cross multiply
    94,123.51x = 140,354.97 × 81,059.83
  4. Step 4: Simplify right side
    94,123.51x = 11,377,149,805.21
  5. Step 5: Solve for x
    x = 11,377,149,805.21/94,123.51
  6. Step 6: Final answer
    x = 120,874.69

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1.5x scale

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.