Home / 79,012.48-109,037.24-43,205.80

Finding the Fourth Proportional to 79,012.48, 109,037.24 and 43,205.80

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Solution

The fourth proportional to 79,012.48, 109,037.24 and 43,205.80 is: 59,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012.48 : 109,037.24 = 43,205.80 : x
  2. Step 2: Convert to fraction form
    79,012.48/109,037.24 = 43,205.80/x
  3. Step 3: Cross multiply
    79,012.48x = 109,037.24 × 43,205.80
  4. Step 4: Simplify right side
    79,012.48x = 4,711,041,183.99
  5. Step 5: Solve for x
    x = 4,711,041,183.99/79,012.48
  6. Step 6: Final answer
    x = 59,624.01

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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.