Home / 79,276.25-109,400.38-43,466.17

Finding the Fourth Proportional to 79,276.25, 109,400.38 and 43,466.17

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Solution

The fourth proportional to 79,276.25, 109,400.38 and 43,466.17 is: 59,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276.25 : 109,400.38 = 43,466.17 : x
  2. Step 2: Convert to fraction form
    79,276.25/109,400.38 = 43,466.17/x
  3. Step 3: Cross multiply
    79,276.25x = 109,400.38 × 43,466.17
  4. Step 4: Simplify right side
    79,276.25x = 4,755,214,750.81
  5. Step 5: Solve for x
    x = 4,755,214,750.81/79,276.25
  6. Step 6: Final answer
    x = 59,982.85

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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.