Home / 67,298.56-92,851.44-38,998.80

Finding the Fourth Proportional to 67,298.56, 92,851.44 and 38,998.80

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Solution

The fourth proportional to 67,298.56, 92,851.44 and 38,998.80 is: 53,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.56 : 92,851.44 = 38,998.80 : x
  2. Step 2: Convert to fraction form
    67,298.56/92,851.44 = 38,998.80/x
  3. Step 3: Cross multiply
    67,298.56x = 92,851.44 × 38,998.80
  4. Step 4: Simplify right side
    67,298.56x = 3,621,094,738.27
  5. Step 5: Solve for x
    x = 3,621,094,738.27/67,298.56
  6. Step 6: Final answer
    x = 53,806.42

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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.