Home / 98,335.94-147,364.39-75,761.22

Finding the Fourth Proportional to 98,335.94, 147,364.39 and 75,761.22

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Solution

The fourth proportional to 98,335.94, 147,364.39 and 75,761.22 is: 113,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,335.94 : 147,364.39 = 75,761.22 : x
  2. Step 2: Convert to fraction form
    98,335.94/147,364.39 = 75,761.22/x
  3. Step 3: Cross multiply
    98,335.94x = 147,364.39 × 75,761.22
  4. Step 4: Simplify right side
    98,335.94x = 11,164,505,970.96
  5. Step 5: Solve for x
    x = 11,164,505,970.96/98,335.94
  6. Step 6: Final answer
    x = 113,534.34

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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.