Home / 95,530.40-131,743.86-64,949.48

Finding the Fourth Proportional to 95,530.40, 131,743.86 and 64,949.48

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Solution

The fourth proportional to 95,530.40, 131,743.86 and 64,949.48 is: 89,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,530.40 : 131,743.86 = 64,949.48 : x
  2. Step 2: Convert to fraction form
    95,530.40/131,743.86 = 64,949.48/x
  3. Step 3: Cross multiply
    95,530.40x = 131,743.86 × 64,949.48
  4. Step 4: Simplify right side
    95,530.40x = 8,556,695,200.19
  5. Step 5: Solve for x
    x = 8,556,695,200.19/95,530.40
  6. Step 6: Final answer
    x = 89,570.39

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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.