Home / 124,550.01-171,902.45-78,004.44

Finding the Fourth Proportional to 124,550.01, 171,902.45 and 78,004.44

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Solution

The fourth proportional to 124,550.01, 171,902.45 and 78,004.44 is: 107,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,550.01 : 171,902.45 = 78,004.44 : x
  2. Step 2: Convert to fraction form
    124,550.01/171,902.45 = 78,004.44/x
  3. Step 3: Cross multiply
    124,550.01x = 171,902.45 × 78,004.44
  4. Step 4: Simplify right side
    124,550.01x = 13,409,154,346.88
  5. Step 5: Solve for x
    x = 13,409,154,346.88/124,550.01
  6. Step 6: Final answer
    x = 107,660.81

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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.