Home / 87,930.09-131,841.96-34,558.17

Finding the Fourth Proportional to 87,930.09, 131,841.96 and 34,558.17

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Solution

The fourth proportional to 87,930.09, 131,841.96 and 34,558.17 is: 51,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,930.09 : 131,841.96 = 34,558.17 : x
  2. Step 2: Convert to fraction form
    87,930.09/131,841.96 = 34,558.17/x
  3. Step 3: Cross multiply
    87,930.09x = 131,841.96 × 34,558.17
  4. Step 4: Simplify right side
    87,930.09x = 4,556,216,866.81
  5. Step 5: Solve for x
    x = 4,556,216,866.81/87,930.09
  6. Step 6: Final answer
    x = 51,816.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.