Home / 111,313.22-153,627.99-68,885.42

Finding the Fourth Proportional to 111,313.22, 153,627.99 and 68,885.42

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Solution

The fourth proportional to 111,313.22, 153,627.99 and 68,885.42 is: 95,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,313.22 : 153,627.99 = 68,885.42 : x
  2. Step 2: Convert to fraction form
    111,313.22/153,627.99 = 68,885.42/x
  3. Step 3: Cross multiply
    111,313.22x = 153,627.99 × 68,885.42
  4. Step 4: Simplify right side
    111,313.22x = 10,582,728,614.91
  5. Step 5: Solve for x
    x = 10,582,728,614.91/111,313.22
  6. Step 6: Final answer
    x = 95,071.62

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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.