Home / 88,214.49-132,322.42-21,655.20

Finding the Fourth Proportional to 88,214.49, 132,322.42 and 21,655.20

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Solution

The fourth proportional to 88,214.49, 132,322.42 and 21,655.20 is: 32,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.49 : 132,322.42 = 21,655.20 : x
  2. Step 2: Convert to fraction form
    88,214.49/132,322.42 = 21,655.20/x
  3. Step 3: Cross multiply
    88,214.49x = 132,322.42 × 21,655.20
  4. Step 4: Simplify right side
    88,214.49x = 2,865,467,753.83
  5. Step 5: Solve for x
    x = 2,865,467,753.83/88,214.49
  6. Step 6: Final answer
    x = 32,482.96

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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.