Home / 98,515.16-147,796.23-31,955.43

Finding the Fourth Proportional to 98,515.16, 147,796.23 and 31,955.43

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Solution

The fourth proportional to 98,515.16, 147,796.23 and 31,955.43 is: 47,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,515.16 : 147,796.23 = 31,955.43 : x
  2. Step 2: Convert to fraction form
    98,515.16/147,796.23 = 31,955.43/x
  3. Step 3: Cross multiply
    98,515.16x = 147,796.23 × 31,955.43
  4. Step 4: Simplify right side
    98,515.16x = 4,722,892,082.03
  5. Step 5: Solve for x
    x = 4,722,892,082.03/98,515.16
  6. Step 6: Final answer
    x = 47,940.76

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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.