Home / 109,137.56-150,607.60-63,842.36

Finding the Fourth Proportional to 109,137.56, 150,607.60 and 63,842.36

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Solution

The fourth proportional to 109,137.56, 150,607.60 and 63,842.36 is: 88,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137.56 : 150,607.60 = 63,842.36 : x
  2. Step 2: Convert to fraction form
    109,137.56/150,607.60 = 63,842.36/x
  3. Step 3: Cross multiply
    109,137.56x = 150,607.60 × 63,842.36
  4. Step 4: Simplify right side
    109,137.56x = 9,615,143,705.29
  5. Step 5: Solve for x
    x = 9,615,143,705.29/109,137.56
  6. Step 6: Final answer
    x = 88,101.15

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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.