Home / 67,115.08-92,611.86-38,829.64

Finding the Fourth Proportional to 67,115.08, 92,611.86 and 38,829.64

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Solution

The fourth proportional to 67,115.08, 92,611.86 and 38,829.64 is: 53,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.08 : 92,611.86 = 38,829.64 : x
  2. Step 2: Convert to fraction form
    67,115.08/92,611.86 = 38,829.64/x
  3. Step 3: Cross multiply
    67,115.08x = 92,611.86 × 38,829.64
  4. Step 4: Simplify right side
    67,115.08x = 3,596,085,183.53
  5. Step 5: Solve for x
    x = 3,596,085,183.53/67,115.08
  6. Step 6: Final answer
    x = 53,580.88

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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.