Home / 79,625.04-109,880.16-43,815.12

Finding the Fourth Proportional to 79,625.04, 109,880.16 and 43,815.12

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Solution

The fourth proportional to 79,625.04, 109,880.16 and 43,815.12 is: 60,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,625.04 : 109,880.16 = 43,815.12 : x
  2. Step 2: Convert to fraction form
    79,625.04/109,880.16 = 43,815.12/x
  3. Step 3: Cross multiply
    79,625.04x = 109,880.16 × 43,815.12
  4. Step 4: Simplify right side
    79,625.04x = 4,814,412,396.02
  5. Step 5: Solve for x
    x = 4,814,412,396.02/79,625.04
  6. Step 6: Final answer
    x = 60,463.55

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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.