Home / 88,364.08-132,330.66-67,281.40

Finding the Fourth Proportional to 88,364.08, 132,330.66 and 67,281.40

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Solution

The fourth proportional to 88,364.08, 132,330.66 and 67,281.40 is: 100,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.08 : 132,330.66 = 67,281.40 : x
  2. Step 2: Convert to fraction form
    88,364.08/132,330.66 = 67,281.40/x
  3. Step 3: Cross multiply
    88,364.08x = 132,330.66 × 67,281.40
  4. Step 4: Simplify right side
    88,364.08x = 8,903,392,067.72
  5. Step 5: Solve for x
    x = 8,903,392,067.72/88,364.08
  6. Step 6: Final answer
    x = 100,758.05

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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.