Home / 100,714.32-151,108.74-41,555.16

Finding the Fourth Proportional to 100,714.32, 151,108.74 and 41,555.16

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Solution

The fourth proportional to 100,714.32, 151,108.74 and 41,555.16 is: 62,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,714.32 : 151,108.74 = 41,555.16 : x
  2. Step 2: Convert to fraction form
    100,714.32/151,108.74 = 41,555.16/x
  3. Step 3: Cross multiply
    100,714.32x = 151,108.74 × 41,555.16
  4. Step 4: Simplify right side
    100,714.32x = 6,279,347,868.10
  5. Step 5: Solve for x
    x = 6,279,347,868.10/100,714.32
  6. Step 6: Final answer
    x = 62,348.11

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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.