Home / 99,633.28-149,449.64-33,078.46

Finding the Fourth Proportional to 99,633.28, 149,449.64 and 33,078.46

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Solution

The fourth proportional to 99,633.28, 149,449.64 and 33,078.46 is: 49,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.28 : 149,449.64 = 33,078.46 : x
  2. Step 2: Convert to fraction form
    99,633.28/149,449.64 = 33,078.46/x
  3. Step 3: Cross multiply
    99,633.28x = 149,449.64 × 33,078.46
  4. Step 4: Simplify right side
    99,633.28x = 4,943,563,938.75
  5. Step 5: Solve for x
    x = 4,943,563,938.75/99,633.28
  6. Step 6: Final answer
    x = 49,617.60

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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.