Home / 98,003.56-147,039.90-35,680.36

Finding the Fourth Proportional to 98,003.56, 147,039.90 and 35,680.36

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Solution

The fourth proportional to 98,003.56, 147,039.90 and 35,680.36 is: 53,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,003.56 : 147,039.90 = 35,680.36 : x
  2. Step 2: Convert to fraction form
    98,003.56/147,039.90 = 35,680.36/x
  3. Step 3: Cross multiply
    98,003.56x = 147,039.90 × 35,680.36
  4. Step 4: Simplify right side
    98,003.56x = 5,246,436,566.36
  5. Step 5: Solve for x
    x = 5,246,436,566.36/98,003.56
  6. Step 6: Final answer
    x = 53,533.12

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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.