Home / 117,609.94-176,433-38,705.68

Finding the Fourth Proportional to 117,609.94, 176,433 and 38,705.68

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Solution

The fourth proportional to 117,609.94, 176,433 and 38,705.68 is: 58,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,609.94 : 176,433 = 38,705.68 : x
  2. Step 2: Convert to fraction form
    117,609.94/176,433 = 38,705.68/x
  3. Step 3: Cross multiply
    117,609.94x = 176,433 × 38,705.68
  4. Step 4: Simplify right side
    117,609.94x = 6,828,959,239.44
  5. Step 5: Solve for x
    x = 6,828,959,239.44/117,609.94
  6. Step 6: Final answer
    x = 58,064.47

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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.