Home / 79,652.12-109,917.36-43,842.16

Finding the Fourth Proportional to 79,652.12, 109,917.36 and 43,842.16

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Solution

The fourth proportional to 79,652.12, 109,917.36 and 43,842.16 is: 60,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,652.12 : 109,917.36 = 43,842.16 : x
  2. Step 2: Convert to fraction form
    79,652.12/109,917.36 = 43,842.16/x
  3. Step 3: Cross multiply
    79,652.12x = 109,917.36 × 43,842.16
  4. Step 4: Simplify right side
    79,652.12x = 4,819,014,483.90
  5. Step 5: Solve for x
    x = 4,819,014,483.90/79,652.12
  6. Step 6: Final answer
    x = 60,500.77

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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.