Home / 79,364.04-109,426.59-68,589.42

Finding the Fourth Proportional to 79,364.04, 109,426.59 and 68,589.42

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Solution

The fourth proportional to 79,364.04, 109,426.59 and 68,589.42 is: 94,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.04 : 109,426.59 = 68,589.42 : x
  2. Step 2: Convert to fraction form
    79,364.04/109,426.59 = 68,589.42/x
  3. Step 3: Cross multiply
    79,364.04x = 109,426.59 × 68,589.42
  4. Step 4: Simplify right side
    79,364.04x = 7,505,506,340.68
  5. Step 5: Solve for x
    x = 7,505,506,340.68/79,364.04
  6. Step 6: Final answer
    x = 94,570.62

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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.