Home / 66,723.14-100,118.65-29,273.50

Finding the Fourth Proportional to 66,723.14, 100,118.65 and 29,273.50

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Solution

The fourth proportional to 66,723.14, 100,118.65 and 29,273.50 is: 43,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,723.14 : 100,118.65 = 29,273.50 : x
  2. Step 2: Convert to fraction form
    66,723.14/100,118.65 = 29,273.50/x
  3. Step 3: Cross multiply
    66,723.14x = 100,118.65 × 29,273.50
  4. Step 4: Simplify right side
    66,723.14x = 2,930,823,300.78
  5. Step 5: Solve for x
    x = 2,930,823,300.78/66,723.14
  6. Step 6: Final answer
    x = 43,925.14

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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.