Home / 66,528.95-99,809.31-22,156.08

Finding the Fourth Proportional to 66,528.95, 99,809.31 and 22,156.08

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Solution

The fourth proportional to 66,528.95, 99,809.31 and 22,156.08 is: 33,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.95 : 99,809.31 = 22,156.08 : x
  2. Step 2: Convert to fraction form
    66,528.95/99,809.31 = 22,156.08/x
  3. Step 3: Cross multiply
    66,528.95x = 99,809.31 × 22,156.08
  4. Step 4: Simplify right side
    66,528.95x = 2,211,383,057.10
  5. Step 5: Solve for x
    x = 2,211,383,057.10/66,528.95
  6. Step 6: Final answer
    x = 33,239.41

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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.