Home / 79,249.19-118,845.53-25,928.30

Finding the Fourth Proportional to 79,249.19, 118,845.53 and 25,928.30

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Solution

The fourth proportional to 79,249.19, 118,845.53 and 25,928.30 is: 38,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.19 : 118,845.53 = 25,928.30 : x
  2. Step 2: Convert to fraction form
    79,249.19/118,845.53 = 25,928.30/x
  3. Step 3: Cross multiply
    79,249.19x = 118,845.53 × 25,928.30
  4. Step 4: Simplify right side
    79,249.19x = 3,081,462,820.20
  5. Step 5: Solve for x
    x = 3,081,462,820.20/79,249.19
  6. Step 6: Final answer
    x = 38,883.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.