Home / 70,247.72-96,941.78-38,416.62

Finding the Fourth Proportional to 70,247.72, 96,941.78 and 38,416.62

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Solution

The fourth proportional to 70,247.72, 96,941.78 and 38,416.62 is: 53,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247.72 : 96,941.78 = 38,416.62 : x
  2. Step 2: Convert to fraction form
    70,247.72/96,941.78 = 38,416.62/x
  3. Step 3: Cross multiply
    70,247.72x = 96,941.78 × 38,416.62
  4. Step 4: Simplify right side
    70,247.72x = 3,724,175,524.38
  5. Step 5: Solve for x
    x = 3,724,175,524.38/70,247.72
  6. Step 6: Final answer
    x = 53,014.90

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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.