Home / 88,795.20-132,974.10-66,487.80

Finding the Fourth Proportional to 88,795.20, 132,974.10 and 66,487.80

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Solution

The fourth proportional to 88,795.20, 132,974.10 and 66,487.80 is: 99,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,795.20 : 132,974.10 = 66,487.80 : x
  2. Step 2: Convert to fraction form
    88,795.20/132,974.10 = 66,487.80/x
  3. Step 3: Cross multiply
    88,795.20x = 132,974.10 × 66,487.80
  4. Step 4: Simplify right side
    88,795.20x = 8,841,155,365.98
  5. Step 5: Solve for x
    x = 8,841,155,365.98/88,795.20
  6. Step 6: Final answer
    x = 99,567.94

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1.5x scale

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.