Home / 88,431.27-132,652.98-67,404.48

Finding the Fourth Proportional to 88,431.27, 132,652.98 and 67,404.48

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Solution

The fourth proportional to 88,431.27, 132,652.98 and 67,404.48 is: 101,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.27 : 132,652.98 = 67,404.48 : x
  2. Step 2: Convert to fraction form
    88,431.27/132,652.98 = 67,404.48/x
  3. Step 3: Cross multiply
    88,431.27x = 132,652.98 × 67,404.48
  4. Step 4: Simplify right side
    88,431.27x = 8,941,405,137.35
  5. Step 5: Solve for x
    x = 8,941,405,137.35/88,431.27
  6. Step 6: Final answer
    x = 101,111.35

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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.