Home / 117,683.90-162,406.94-63,972.52

Finding the Fourth Proportional to 117,683.90, 162,406.94 and 63,972.52

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Solution

The fourth proportional to 117,683.90, 162,406.94 and 63,972.52 is: 88,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.90 : 162,406.94 = 63,972.52 : x
  2. Step 2: Convert to fraction form
    117,683.90/162,406.94 = 63,972.52/x
  3. Step 3: Cross multiply
    117,683.90x = 162,406.94 × 63,972.52
  4. Step 4: Simplify right side
    117,683.90x = 10,389,581,217.29
  5. Step 5: Solve for x
    x = 10,389,581,217.29/117,683.90
  6. Step 6: Final answer
    x = 88,283.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.