Home / 79,366.23-109,528.61-45,380.25

Finding the Fourth Proportional to 79,366.23, 109,528.61 and 45,380.25

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Solution

The fourth proportional to 79,366.23, 109,528.61 and 45,380.25 is: 62,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.23 : 109,528.61 = 45,380.25 : x
  2. Step 2: Convert to fraction form
    79,366.23/109,528.61 = 45,380.25/x
  3. Step 3: Cross multiply
    79,366.23x = 109,528.61 × 45,380.25
  4. Step 4: Simplify right side
    79,366.23x = 4,970,435,477.05
  5. Step 5: Solve for x
    x = 4,970,435,477.05/79,366.23
  6. Step 6: Final answer
    x = 62,626.58

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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.