Home / 88,290.96-132,432.88-21,727.84

Finding the Fourth Proportional to 88,290.96, 132,432.88 and 21,727.84

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Solution

The fourth proportional to 88,290.96, 132,432.88 and 21,727.84 is: 32,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,290.96 : 132,432.88 = 21,727.84 : x
  2. Step 2: Convert to fraction form
    88,290.96/132,432.88 = 21,727.84/x
  3. Step 3: Cross multiply
    88,290.96x = 132,432.88 × 21,727.84
  4. Step 4: Simplify right side
    88,290.96x = 2,877,480,427.38
  5. Step 5: Solve for x
    x = 2,877,480,427.38/88,290.96
  6. Step 6: Final answer
    x = 32,590.88

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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.