Home / 79,025.22-109,004.94-55,143.18

Finding the Fourth Proportional to 79,025.22, 109,004.94 and 55,143.18

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Solution

The fourth proportional to 79,025.22, 109,004.94 and 55,143.18 is: 76,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.22 : 109,004.94 = 55,143.18 : x
  2. Step 2: Convert to fraction form
    79,025.22/109,004.94 = 55,143.18/x
  3. Step 3: Cross multiply
    79,025.22x = 109,004.94 × 55,143.18
  4. Step 4: Simplify right side
    79,025.22x = 6,010,879,027.31
  5. Step 5: Solve for x
    x = 6,010,879,027.31/79,025.22
  6. Step 6: Final answer
    x = 76,062.79

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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.