Home / 79,150.61-109,230.32-43,344.02

Finding the Fourth Proportional to 79,150.61, 109,230.32 and 43,344.02

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Solution

The fourth proportional to 79,150.61, 109,230.32 and 43,344.02 is: 59,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.61 : 109,230.32 = 43,344.02 : x
  2. Step 2: Convert to fraction form
    79,150.61/109,230.32 = 43,344.02/x
  3. Step 3: Cross multiply
    79,150.61x = 109,230.32 × 43,344.02
  4. Step 4: Simplify right side
    79,150.61x = 4,734,480,957.97
  5. Step 5: Solve for x
    x = 4,734,480,957.97/79,150.61
  6. Step 6: Final answer
    x = 59,816.10

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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.