Home / 79,274.30-109,399.61-43,464.23

Finding the Fourth Proportional to 79,274.30, 109,399.61 and 43,464.23

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Solution

The fourth proportional to 79,274.30, 109,399.61 and 43,464.23 is: 59,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.30 : 109,399.61 = 43,464.23 : x
  2. Step 2: Convert to fraction form
    79,274.30/109,399.61 = 43,464.23/x
  3. Step 3: Cross multiply
    79,274.30x = 109,399.61 × 43,464.23
  4. Step 4: Simplify right side
    79,274.30x = 4,754,970,030.12
  5. Step 5: Solve for x
    x = 4,754,970,030.12/79,274.30
  6. Step 6: Final answer
    x = 59,981.23

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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.