Home / 88,157.43-132,208.07-28,979.46

Finding the Fourth Proportional to 88,157.43, 132,208.07 and 28,979.46

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Solution

The fourth proportional to 88,157.43, 132,208.07 and 28,979.46 is: 43,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,157.43 : 132,208.07 = 28,979.46 : x
  2. Step 2: Convert to fraction form
    88,157.43/132,208.07 = 28,979.46/x
  3. Step 3: Cross multiply
    88,157.43x = 132,208.07 × 28,979.46
  4. Step 4: Simplify right side
    88,157.43x = 3,831,318,331.34
  5. Step 5: Solve for x
    x = 3,831,318,331.34/88,157.43
  6. Step 6: Final answer
    x = 43,459.96

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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.