Home / 98,403.35-147,604.46-42,207.03

Finding the Fourth Proportional to 98,403.35, 147,604.46 and 42,207.03

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Solution

The fourth proportional to 98,403.35, 147,604.46 and 42,207.03 is: 63,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,403.35 : 147,604.46 = 42,207.03 : x
  2. Step 2: Convert to fraction form
    98,403.35/147,604.46 = 42,207.03/x
  3. Step 3: Cross multiply
    98,403.35x = 147,604.46 × 42,207.03
  4. Step 4: Simplify right side
    98,403.35x = 6,229,945,660.32
  5. Step 5: Solve for x
    x = 6,229,945,660.32/98,403.35
  6. Step 6: Final answer
    x = 63,310.30

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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.