Home / 112,520.35-168,663.88-53,310.97

Finding the Fourth Proportional to 112,520.35, 168,663.88 and 53,310.97

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Solution

The fourth proportional to 112,520.35, 168,663.88 and 53,310.97 is: 79,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,520.35 : 168,663.88 = 53,310.97 : x
  2. Step 2: Convert to fraction form
    112,520.35/168,663.88 = 53,310.97/x
  3. Step 3: Cross multiply
    112,520.35x = 168,663.88 × 53,310.97
  4. Step 4: Simplify right side
    112,520.35x = 8,991,635,324.23
  5. Step 5: Solve for x
    x = 8,991,635,324.23/112,520.35
  6. Step 6: Final answer
    x = 79,911.19

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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.