Home / 91,946.10-137,919.15-32,783.70

Finding the Fourth Proportional to 91,946.10, 137,919.15 and 32,783.70

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Solution

The fourth proportional to 91,946.10, 137,919.15 and 32,783.70 is: 49,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.10 : 137,919.15 = 32,783.70 : x
  2. Step 2: Convert to fraction form
    91,946.10/137,919.15 = 32,783.70/x
  3. Step 3: Cross multiply
    91,946.10x = 137,919.15 × 32,783.70
  4. Step 4: Simplify right side
    91,946.10x = 4,521,500,037.86
  5. Step 5: Solve for x
    x = 4,521,500,037.86/91,946.10
  6. Step 6: Final answer
    x = 49,175.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.