Home / 94,679.36-142,022.64-31,505.12

Finding the Fourth Proportional to 94,679.36, 142,022.64 and 31,505.12

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Solution

The fourth proportional to 94,679.36, 142,022.64 and 31,505.12 is: 47,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679.36 : 142,022.64 = 31,505.12 : x
  2. Step 2: Convert to fraction form
    94,679.36/142,022.64 = 31,505.12/x
  3. Step 3: Cross multiply
    94,679.36x = 142,022.64 × 31,505.12
  4. Step 4: Simplify right side
    94,679.36x = 4,474,440,315.92
  5. Step 5: Solve for x
    x = 4,474,440,315.92/94,679.36
  6. Step 6: Final answer
    x = 47,258.88

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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.