Home / 68,216.75-94,142.03-38,002.10

Finding the Fourth Proportional to 68,216.75, 94,142.03 and 38,002.10

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Solution

The fourth proportional to 68,216.75, 94,142.03 and 38,002.10 is: 52,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.75 : 94,142.03 = 38,002.10 : x
  2. Step 2: Convert to fraction form
    68,216.75/94,142.03 = 38,002.10/x
  3. Step 3: Cross multiply
    68,216.75x = 94,142.03 × 38,002.10
  4. Step 4: Simplify right side
    68,216.75x = 3,577,594,367.55
  5. Step 5: Solve for x
    x = 3,577,594,367.55/68,216.75
  6. Step 6: Final answer
    x = 52,444.51

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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.