Home / 79,069.20-109,119.24-46,805.20

Finding the Fourth Proportional to 79,069.20, 109,119.24 and 46,805.20

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Solution

The fourth proportional to 79,069.20, 109,119.24 and 46,805.20 is: 64,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.20 : 109,119.24 = 46,805.20 : x
  2. Step 2: Convert to fraction form
    79,069.20/109,119.24 = 46,805.20/x
  3. Step 3: Cross multiply
    79,069.20x = 109,119.24 × 46,805.20
  4. Step 4: Simplify right side
    79,069.20x = 5,107,347,852.05
  5. Step 5: Solve for x
    x = 5,107,347,852.05/79,069.20
  6. Step 6: Final answer
    x = 64,593.39

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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.