Home / 79,650.06-109,892.34-45,189.09

Finding the Fourth Proportional to 79,650.06, 109,892.34 and 45,189.09

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Solution

The fourth proportional to 79,650.06, 109,892.34 and 45,189.09 is: 62,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,650.06 : 109,892.34 = 45,189.09 : x
  2. Step 2: Convert to fraction form
    79,650.06/109,892.34 = 45,189.09/x
  3. Step 3: Cross multiply
    79,650.06x = 109,892.34 × 45,189.09
  4. Step 4: Simplify right side
    79,650.06x = 4,965,934,842.57
  5. Step 5: Solve for x
    x = 4,965,934,842.57/79,650.06
  6. Step 6: Final answer
    x = 62,346.91

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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.