Home / 79,153.02-109,229.22-43,344.54

Finding the Fourth Proportional to 79,153.02, 109,229.22 and 43,344.54

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Solution

The fourth proportional to 79,153.02, 109,229.22 and 43,344.54 is: 59,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,153.02 : 109,229.22 = 43,344.54 : x
  2. Step 2: Convert to fraction form
    79,153.02/109,229.22 = 43,344.54/x
  3. Step 3: Cross multiply
    79,153.02x = 109,229.22 × 43,344.54
  4. Step 4: Simplify right side
    79,153.02x = 4,734,490,295.46
  5. Step 5: Solve for x
    x = 4,734,490,295.46/79,153.02
  6. Step 6: Final answer
    x = 59,814.40

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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.