Home / 98,295.40-147,464.38-31,739.24

Finding the Fourth Proportional to 98,295.40, 147,464.38 and 31,739.24

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Solution

The fourth proportional to 98,295.40, 147,464.38 and 31,739.24 is: 47,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,295.40 : 147,464.38 = 31,739.24 : x
  2. Step 2: Convert to fraction form
    98,295.40/147,464.38 = 31,739.24/x
  3. Step 3: Cross multiply
    98,295.40x = 147,464.38 × 31,739.24
  4. Step 4: Simplify right side
    98,295.40x = 4,680,407,348.27
  5. Step 5: Solve for x
    x = 4,680,407,348.27/98,295.40
  6. Step 6: Final answer
    x = 47,615.73

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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.