Home / 98,997.87-148,385.25-49,113.72

Finding the Fourth Proportional to 98,997.87, 148,385.25 and 49,113.72

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Solution

The fourth proportional to 98,997.87, 148,385.25 and 49,113.72 is: 73,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,997.87 : 148,385.25 = 49,113.72 : x
  2. Step 2: Convert to fraction form
    98,997.87/148,385.25 = 49,113.72/x
  3. Step 3: Cross multiply
    98,997.87x = 148,385.25 × 49,113.72
  4. Step 4: Simplify right side
    98,997.87x = 7,287,751,620.63
  5. Step 5: Solve for x
    x = 7,287,751,620.63/98,997.87
  6. Step 6: Final answer
    x = 73,615.24

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1.5x scale

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.