Home / 98,512.51-147,701.26-35,331.28

Finding the Fourth Proportional to 98,512.51, 147,701.26 and 35,331.28

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Solution

The fourth proportional to 98,512.51, 147,701.26 and 35,331.28 is: 52,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,512.51 : 147,701.26 = 35,331.28 : x
  2. Step 2: Convert to fraction form
    98,512.51/147,701.26 = 35,331.28/x
  3. Step 3: Cross multiply
    98,512.51x = 147,701.26 × 35,331.28
  4. Step 4: Simplify right side
    98,512.51x = 5,218,474,573.41
  5. Step 5: Solve for x
    x = 5,218,474,573.41/98,512.51
  6. Step 6: Final answer
    x = 52,972.71

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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.