Home / 91,946.16-137,919.72-36,542.32

Finding the Fourth Proportional to 91,946.16, 137,919.72 and 36,542.32

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Solution

The fourth proportional to 91,946.16, 137,919.72 and 36,542.32 is: 54,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.16 : 137,919.72 = 36,542.32 : x
  2. Step 2: Convert to fraction form
    91,946.16/137,919.72 = 36,542.32/x
  3. Step 3: Cross multiply
    91,946.16x = 137,919.72 × 36,542.32
  4. Step 4: Simplify right side
    91,946.16x = 5,039,906,542.55
  5. Step 5: Solve for x
    x = 5,039,906,542.55/91,946.16
  6. Step 6: Final answer
    x = 54,813.67

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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.