Home / 100,236.44-138,373.98-62,566.04

Finding the Fourth Proportional to 100,236.44, 138,373.98 and 62,566.04

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Solution

The fourth proportional to 100,236.44, 138,373.98 and 62,566.04 is: 86,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,236.44 : 138,373.98 = 62,566.04 : x
  2. Step 2: Convert to fraction form
    100,236.44/138,373.98 = 62,566.04/x
  3. Step 3: Cross multiply
    100,236.44x = 138,373.98 × 62,566.04
  4. Step 4: Simplify right side
    100,236.44x = 8,657,511,967.64
  5. Step 5: Solve for x
    x = 8,657,511,967.64/100,236.44
  6. Step 6: Final answer
    x = 86,370.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.