Home / 98,651.39-147,976.13-42,531.14

Finding the Fourth Proportional to 98,651.39, 147,976.13 and 42,531.14

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Solution

The fourth proportional to 98,651.39, 147,976.13 and 42,531.14 is: 63,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,651.39 : 147,976.13 = 42,531.14 : x
  2. Step 2: Convert to fraction form
    98,651.39/147,976.13 = 42,531.14/x
  3. Step 3: Cross multiply
    98,651.39x = 147,976.13 × 42,531.14
  4. Step 4: Simplify right side
    98,651.39x = 6,293,593,977.96
  5. Step 5: Solve for x
    x = 6,293,593,977.96/98,651.39
  6. Step 6: Final answer
    x = 63,796.31

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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.