Home / 88,427.68-132,705.84-66,300.78

Finding the Fourth Proportional to 88,427.68, 132,705.84 and 66,300.78

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Solution

The fourth proportional to 88,427.68, 132,705.84 and 66,300.78 is: 99,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.68 : 132,705.84 = 66,300.78 : x
  2. Step 2: Convert to fraction form
    88,427.68/132,705.84 = 66,300.78/x
  3. Step 3: Cross multiply
    88,427.68x = 132,705.84 × 66,300.78
  4. Step 4: Simplify right side
    88,427.68x = 8,798,500,702.56
  5. Step 5: Solve for x
    x = 8,798,500,702.56/88,427.68
  6. Step 6: Final answer
    x = 99,499.40

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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.