Home / 95,029.86-131,139.54-54,743.50

Finding the Fourth Proportional to 95,029.86, 131,139.54 and 54,743.50

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Solution

The fourth proportional to 95,029.86, 131,139.54 and 54,743.50 is: 75,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,029.86 : 131,139.54 = 54,743.50 : x
  2. Step 2: Convert to fraction form
    95,029.86/131,139.54 = 54,743.50/x
  3. Step 3: Cross multiply
    95,029.86x = 131,139.54 × 54,743.50
  4. Step 4: Simplify right side
    95,029.86x = 7,179,037,407.99
  5. Step 5: Solve for x
    x = 7,179,037,407.99/95,029.86
  6. Step 6: Final answer
    x = 75,545.07

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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.