Home / 66,320.52-99,418.25-33,009.09

Finding the Fourth Proportional to 66,320.52, 99,418.25 and 33,009.09

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Solution

The fourth proportional to 66,320.52, 99,418.25 and 33,009.09 is: 49,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.52 : 99,418.25 = 33,009.09 : x
  2. Step 2: Convert to fraction form
    66,320.52/99,418.25 = 33,009.09/x
  3. Step 3: Cross multiply
    66,320.52x = 99,418.25 × 33,009.09
  4. Step 4: Simplify right side
    66,320.52x = 3,281,706,371.18
  5. Step 5: Solve for x
    x = 3,281,706,371.18/66,320.52
  6. Step 6: Final answer
    x = 49,482.52

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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.