Home / 88,694.34-132,970.85-51,211.90

Finding the Fourth Proportional to 88,694.34, 132,970.85 and 51,211.90

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Solution

The fourth proportional to 88,694.34, 132,970.85 and 51,211.90 is: 76,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.34 : 132,970.85 = 51,211.90 : x
  2. Step 2: Convert to fraction form
    88,694.34/132,970.85 = 51,211.90/x
  3. Step 3: Cross multiply
    88,694.34x = 132,970.85 × 51,211.90
  4. Step 4: Simplify right side
    88,694.34x = 6,809,689,873.12
  5. Step 5: Solve for x
    x = 6,809,689,873.12/88,694.34
  6. Step 6: Final answer
    x = 76,777.05

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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.