Home / 66,208.04-99,179.09-30,619.47

Finding the Fourth Proportional to 66,208.04, 99,179.09 and 30,619.47

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Solution

The fourth proportional to 66,208.04, 99,179.09 and 30,619.47 is: 45,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.04 : 99,179.09 = 30,619.47 : x
  2. Step 2: Convert to fraction form
    66,208.04/99,179.09 = 30,619.47/x
  3. Step 3: Cross multiply
    66,208.04x = 99,179.09 × 30,619.47
  4. Step 4: Simplify right side
    66,208.04x = 3,036,811,017.78
  5. Step 5: Solve for x
    x = 3,036,811,017.78/66,208.04
  6. Step 6: Final answer
    x = 45,867.71

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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.