Home / 88,018.32-132,026.04-21,458.64

Finding the Fourth Proportional to 88,018.32, 132,026.04 and 21,458.64

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Solution

The fourth proportional to 88,018.32, 132,026.04 and 21,458.64 is: 32,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.32 : 132,026.04 = 21,458.64 : x
  2. Step 2: Convert to fraction form
    88,018.32/132,026.04 = 21,458.64/x
  3. Step 3: Cross multiply
    88,018.32x = 132,026.04 × 21,458.64
  4. Step 4: Simplify right side
    88,018.32x = 2,833,099,262.99
  5. Step 5: Solve for x
    x = 2,833,099,262.99/88,018.32
  6. Step 6: Final answer
    x = 32,187.61

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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.