Home / 99,775.06-149,532.64-40,541.48

Finding the Fourth Proportional to 99,775.06, 149,532.64 and 40,541.48

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Solution

The fourth proportional to 99,775.06, 149,532.64 and 40,541.48 is: 60,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.06 : 149,532.64 = 40,541.48 : x
  2. Step 2: Convert to fraction form
    99,775.06/149,532.64 = 40,541.48/x
  3. Step 3: Cross multiply
    99,775.06x = 149,532.64 × 40,541.48
  4. Step 4: Simplify right side
    99,775.06x = 6,062,275,086.76
  5. Step 5: Solve for x
    x = 6,062,275,086.76/99,775.06
  6. Step 6: Final answer
    x = 60,759.42

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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.