Home / 112,714.38-168,822.33-77,091.24

Finding the Fourth Proportional to 112,714.38, 168,822.33 and 77,091.24

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Solution

The fourth proportional to 112,714.38, 168,822.33 and 77,091.24 is: 115,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,714.38 : 168,822.33 = 77,091.24 : x
  2. Step 2: Convert to fraction form
    112,714.38/168,822.33 = 77,091.24/x
  3. Step 3: Cross multiply
    112,714.38x = 168,822.33 × 77,091.24
  4. Step 4: Simplify right side
    112,714.38x = 13,014,722,759.39
  5. Step 5: Solve for x
    x = 13,014,722,759.39/112,714.38
  6. Step 6: Final answer
    x = 115,466.39

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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.