Home / 88,132.14-121,622.40-47,845.80

Finding the Fourth Proportional to 88,132.14, 121,622.40 and 47,845.80

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Solution

The fourth proportional to 88,132.14, 121,622.40 and 47,845.80 is: 66,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.14 : 121,622.40 = 47,845.80 : x
  2. Step 2: Convert to fraction form
    88,132.14/121,622.40 = 47,845.80/x
  3. Step 3: Cross multiply
    88,132.14x = 121,622.40 × 47,845.80
  4. Step 4: Simplify right side
    88,132.14x = 5,819,121,025.92
  5. Step 5: Solve for x
    x = 5,819,121,025.92/88,132.14
  6. Step 6: Final answer
    x = 66,027.23

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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.