Home / 79,433.04-109,616.88-43,623.60

Finding the Fourth Proportional to 79,433.04, 109,616.88 and 43,623.60

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Solution

The fourth proportional to 79,433.04, 109,616.88 and 43,623.60 is: 60,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.04 : 109,616.88 = 43,623.60 : x
  2. Step 2: Convert to fraction form
    79,433.04/109,616.88 = 43,623.60/x
  3. Step 3: Cross multiply
    79,433.04x = 109,616.88 × 43,623.60
  4. Step 4: Simplify right side
    79,433.04x = 4,781,882,926.37
  5. Step 5: Solve for x
    x = 4,781,882,926.37/79,433.04
  6. Step 6: Final answer
    x = 60,200.18

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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.