Home / 66,761.20-100,176.32-29,347.52

Finding the Fourth Proportional to 66,761.20, 100,176.32 and 29,347.52

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Solution

The fourth proportional to 66,761.20, 100,176.32 and 29,347.52 is: 44,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761.20 : 100,176.32 = 29,347.52 : x
  2. Step 2: Convert to fraction form
    66,761.20/100,176.32 = 29,347.52/x
  3. Step 3: Cross multiply
    66,761.20x = 100,176.32 × 29,347.52
  4. Step 4: Simplify right side
    66,761.20x = 2,939,926,554.73
  5. Step 5: Solve for x
    x = 2,939,926,554.73/66,761.20
  6. Step 6: Final answer
    x = 44,036.45

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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.