Home / 88,115.57-121,599.60-47,829.33

Finding the Fourth Proportional to 88,115.57, 121,599.60 and 47,829.33

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Solution

The fourth proportional to 88,115.57, 121,599.60 and 47,829.33 is: 66,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.57 : 121,599.60 = 47,829.33 : x
  2. Step 2: Convert to fraction form
    88,115.57/121,599.60 = 47,829.33/x
  3. Step 3: Cross multiply
    88,115.57x = 121,599.60 × 47,829.33
  4. Step 4: Simplify right side
    88,115.57x = 5,816,027,396.27
  5. Step 5: Solve for x
    x = 5,816,027,396.27/88,115.57
  6. Step 6: Final answer
    x = 66,004.54

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1.5x scale

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.