Home / 66,936.35-100,430.82-29,470.14

Finding the Fourth Proportional to 66,936.35, 100,430.82 and 29,470.14

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Solution

The fourth proportional to 66,936.35, 100,430.82 and 29,470.14 is: 44,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.35 : 100,430.82 = 29,470.14 : x
  2. Step 2: Convert to fraction form
    66,936.35/100,430.82 = 29,470.14/x
  3. Step 3: Cross multiply
    66,936.35x = 100,430.82 × 29,470.14
  4. Step 4: Simplify right side
    66,936.35x = 2,959,710,325.71
  5. Step 5: Solve for x
    x = 2,959,710,325.71/66,936.35
  6. Step 6: Final answer
    x = 44,216.79

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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.