Home / 66,209.04-99,180.58-30,620.47

Finding the Fourth Proportional to 66,209.04, 99,180.58 and 30,620.47

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Solution

The fourth proportional to 66,209.04, 99,180.58 and 30,620.47 is: 45,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.04 : 99,180.58 = 30,620.47 : x
  2. Step 2: Convert to fraction form
    66,209.04/99,180.58 = 30,620.47/x
  3. Step 3: Cross multiply
    66,209.04x = 99,180.58 × 30,620.47
  4. Step 4: Simplify right side
    66,209.04x = 3,036,955,974.47
  5. Step 5: Solve for x
    x = 3,036,955,974.47/66,209.04
  6. Step 6: Final answer
    x = 45,869.20

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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.