Home / 88,105.64-132,157.30-21,546.34

Finding the Fourth Proportional to 88,105.64, 132,157.30 and 21,546.34

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Solution

The fourth proportional to 88,105.64, 132,157.30 and 21,546.34 is: 32,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.64 : 132,157.30 = 21,546.34 : x
  2. Step 2: Convert to fraction form
    88,105.64/132,157.30 = 21,546.34/x
  3. Step 3: Cross multiply
    88,105.64x = 132,157.30 × 21,546.34
  4. Step 4: Simplify right side
    88,105.64x = 2,847,506,230.61
  5. Step 5: Solve for x
    x = 2,847,506,230.61/88,105.64
  6. Step 6: Final answer
    x = 32,319.23

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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.