Home / 79,240.20-109,351.32-43,430.22

Finding the Fourth Proportional to 79,240.20, 109,351.32 and 43,430.22

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Solution

The fourth proportional to 79,240.20, 109,351.32 and 43,430.22 is: 59,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.20 : 109,351.32 = 43,430.22 : x
  2. Step 2: Convert to fraction form
    79,240.20/109,351.32 = 43,430.22/x
  3. Step 3: Cross multiply
    79,240.20x = 109,351.32 × 43,430.22
  4. Step 4: Simplify right side
    79,240.20x = 4,749,151,884.89
  5. Step 5: Solve for x
    x = 4,749,151,884.89/79,240.20
  6. Step 6: Final answer
    x = 59,933.62

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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.