Home / 88,132.40-121,623.66-47,846.60

Finding the Fourth Proportional to 88,132.40, 121,623.66 and 47,846.60

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Solution

The fourth proportional to 88,132.40, 121,623.66 and 47,846.60 is: 66,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.40 : 121,623.66 = 47,846.60 : x
  2. Step 2: Convert to fraction form
    88,132.40/121,623.66 = 47,846.60/x
  3. Step 3: Cross multiply
    88,132.40x = 121,623.66 × 47,846.60
  4. Step 4: Simplify right side
    88,132.40x = 5,819,278,610.56
  5. Step 5: Solve for x
    x = 5,819,278,610.56/88,132.40
  6. Step 6: Final answer
    x = 66,028.82

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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.