Home / 65,794.50-90,812.61-40,296.24

Finding the Fourth Proportional to 65,794.50, 90,812.61 and 40,296.24

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Solution

The fourth proportional to 65,794.50, 90,812.61 and 40,296.24 is: 55,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,794.50 : 90,812.61 = 40,296.24 : x
  2. Step 2: Convert to fraction form
    65,794.50/90,812.61 = 40,296.24/x
  3. Step 3: Cross multiply
    65,794.50x = 90,812.61 × 40,296.24
  4. Step 4: Simplify right side
    65,794.50x = 3,659,406,727.59
  5. Step 5: Solve for x
    x = 3,659,406,727.59/65,794.50
  6. Step 6: Final answer
    x = 55,618.73

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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.