Home / 88,299.68-132,378.20-29,098.40

Finding the Fourth Proportional to 88,299.68, 132,378.20 and 29,098.40

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Solution

The fourth proportional to 88,299.68, 132,378.20 and 29,098.40 is: 43,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.68 : 132,378.20 = 29,098.40 : x
  2. Step 2: Convert to fraction form
    88,299.68/132,378.20 = 29,098.40/x
  3. Step 3: Cross multiply
    88,299.68x = 132,378.20 × 29,098.40
  4. Step 4: Simplify right side
    88,299.68x = 3,851,993,814.88
  5. Step 5: Solve for x
    x = 3,851,993,814.88/88,299.68
  6. Step 6: Final answer
    x = 43,624.10

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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.