Home / 95,027.76-131,031-71,077.68

Finding the Fourth Proportional to 95,027.76, 131,031 and 71,077.68

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Solution

The fourth proportional to 95,027.76, 131,031 and 71,077.68 is: 98,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,027.76 : 131,031 = 71,077.68 : x
  2. Step 2: Convert to fraction form
    95,027.76/131,031 = 71,077.68/x
  3. Step 3: Cross multiply
    95,027.76x = 131,031 × 71,077.68
  4. Step 4: Simplify right side
    95,027.76x = 9,313,379,488.08
  5. Step 5: Solve for x
    x = 9,313,379,488.08/95,027.76
  6. Step 6: Final answer
    x = 98,006.93

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1.5x scale

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.