Home / 84,879.03-127,346.19-40,500.05

Finding the Fourth Proportional to 84,879.03, 127,346.19 and 40,500.05

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Solution

The fourth proportional to 84,879.03, 127,346.19 and 40,500.05 is: 60,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.03 : 127,346.19 = 40,500.05 : x
  2. Step 2: Convert to fraction form
    84,879.03/127,346.19 = 40,500.05/x
  3. Step 3: Cross multiply
    84,879.03x = 127,346.19 × 40,500.05
  4. Step 4: Simplify right side
    84,879.03x = 5,157,526,425.58
  5. Step 5: Solve for x
    x = 5,157,526,425.58/84,879.03
  6. Step 6: Final answer
    x = 60,763.26

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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.