Home / 99,868.54-149,803.38-33,308.48

Finding the Fourth Proportional to 99,868.54, 149,803.38 and 33,308.48

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Solution

The fourth proportional to 99,868.54, 149,803.38 and 33,308.48 is: 49,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,868.54 : 149,803.38 = 33,308.48 : x
  2. Step 2: Convert to fraction form
    99,868.54/149,803.38 = 33,308.48/x
  3. Step 3: Cross multiply
    99,868.54x = 149,803.38 × 33,308.48
  4. Step 4: Simplify right side
    99,868.54x = 4,989,722,652.61
  5. Step 5: Solve for x
    x = 4,989,722,652.61/99,868.54
  6. Step 6: Final answer
    x = 49,962.91

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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.