Home / 79,199.08-109,296.66-43,389.12

Finding the Fourth Proportional to 79,199.08, 109,296.66 and 43,389.12

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Solution

The fourth proportional to 79,199.08, 109,296.66 and 43,389.12 is: 59,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.08 : 109,296.66 = 43,389.12 : x
  2. Step 2: Convert to fraction form
    79,199.08/109,296.66 = 43,389.12/x
  3. Step 3: Cross multiply
    79,199.08x = 109,296.66 × 43,389.12
  4. Step 4: Simplify right side
    79,199.08x = 4,742,285,896.34
  5. Step 5: Solve for x
    x = 4,742,285,896.34/79,199.08
  6. Step 6: Final answer
    x = 59,878.04

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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.