Home / 79,423.56-109,603.70-43,613.24

Finding the Fourth Proportional to 79,423.56, 109,603.70 and 43,613.24

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Solution

The fourth proportional to 79,423.56, 109,603.70 and 43,613.24 is: 60,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,423.56 : 109,603.70 = 43,613.24 : x
  2. Step 2: Convert to fraction form
    79,423.56/109,603.70 = 43,613.24/x
  3. Step 3: Cross multiply
    79,423.56x = 109,603.70 × 43,613.24
  4. Step 4: Simplify right side
    79,423.56x = 4,780,172,472.99
  5. Step 5: Solve for x
    x = 4,780,172,472.99/79,423.56
  6. Step 6: Final answer
    x = 60,185.82

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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.