Home / 81,587.54-122,416.38-44,174.34

Finding the Fourth Proportional to 81,587.54, 122,416.38 and 44,174.34

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Solution

The fourth proportional to 81,587.54, 122,416.38 and 44,174.34 is: 66,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.54 : 122,416.38 = 44,174.34 : x
  2. Step 2: Convert to fraction form
    81,587.54/122,416.38 = 44,174.34/x
  3. Step 3: Cross multiply
    81,587.54x = 122,416.38 × 44,174.34
  4. Step 4: Simplify right side
    81,587.54x = 5,407,662,791.69
  5. Step 5: Solve for x
    x = 5,407,662,791.69/81,587.54
  6. Step 6: Final answer
    x = 66,280.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.