Home / 99,714.06-149,446.38-49,808.10

Finding the Fourth Proportional to 99,714.06, 149,446.38 and 49,808.10

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Solution

The fourth proportional to 99,714.06, 149,446.38 and 49,808.10 is: 74,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,714.06 : 149,446.38 = 49,808.10 : x
  2. Step 2: Convert to fraction form
    99,714.06/149,446.38 = 49,808.10/x
  3. Step 3: Cross multiply
    99,714.06x = 149,446.38 × 49,808.10
  4. Step 4: Simplify right side
    99,714.06x = 7,443,640,239.68
  5. Step 5: Solve for x
    x = 7,443,640,239.68/99,714.06
  6. Step 6: Final answer
    x = 74,649.86

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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.