Home / 66,928.93-100,387.89-22,554.70

Finding the Fourth Proportional to 66,928.93, 100,387.89 and 22,554.70

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Solution

The fourth proportional to 66,928.93, 100,387.89 and 22,554.70 is: 33,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.93 : 100,387.89 = 22,554.70 : x
  2. Step 2: Convert to fraction form
    66,928.93/100,387.89 = 22,554.70/x
  3. Step 3: Cross multiply
    66,928.93x = 100,387.89 × 22,554.70
  4. Step 4: Simplify right side
    66,928.93x = 2,264,218,742.58
  5. Step 5: Solve for x
    x = 2,264,218,742.58/66,928.93
  6. Step 6: Final answer
    x = 33,830.19

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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.