Home / 88,239.90-121,772.25-47,954.46

Finding the Fourth Proportional to 88,239.90, 121,772.25 and 47,954.46

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Solution

The fourth proportional to 88,239.90, 121,772.25 and 47,954.46 is: 66,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.90 : 121,772.25 = 47,954.46 : x
  2. Step 2: Convert to fraction form
    88,239.90/121,772.25 = 47,954.46/x
  3. Step 3: Cross multiply
    88,239.90x = 121,772.25 × 47,954.46
  4. Step 4: Simplify right side
    88,239.90x = 5,839,522,491.74
  5. Step 5: Solve for x
    x = 5,839,522,491.74/88,239.90
  6. Step 6: Final answer
    x = 66,177.80

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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.