Home / 88,083.24-132,138.65-28,905.45

Finding the Fourth Proportional to 88,083.24, 132,138.65 and 28,905.45

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Solution

The fourth proportional to 88,083.24, 132,138.65 and 28,905.45 is: 43,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.24 : 132,138.65 = 28,905.45 : x
  2. Step 2: Convert to fraction form
    88,083.24/132,138.65 = 28,905.45/x
  3. Step 3: Cross multiply
    88,083.24x = 132,138.65 × 28,905.45
  4. Step 4: Simplify right side
    88,083.24x = 3,819,527,140.64
  5. Step 5: Solve for x
    x = 3,819,527,140.64/88,083.24
  6. Step 6: Final answer
    x = 43,362.70

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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.