Home / 67,193.08-92,727.15-38,512.12

Finding the Fourth Proportional to 67,193.08, 92,727.15 and 38,512.12

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Solution

The fourth proportional to 67,193.08, 92,727.15 and 38,512.12 is: 53,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193.08 : 92,727.15 = 38,512.12 : x
  2. Step 2: Convert to fraction form
    67,193.08/92,727.15 = 38,512.12/x
  3. Step 3: Cross multiply
    67,193.08x = 92,727.15 × 38,512.12
  4. Step 4: Simplify right side
    67,193.08x = 3,571,118,935.50
  5. Step 5: Solve for x
    x = 3,571,118,935.50/67,193.08
  6. Step 6: Final answer
    x = 53,147.13

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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.