Home / 99,504.90-149,057.28-49,433.40

Finding the Fourth Proportional to 99,504.90, 149,057.28 and 49,433.40

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Solution

The fourth proportional to 99,504.90, 149,057.28 and 49,433.40 is: 74,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.90 : 149,057.28 = 49,433.40 : x
  2. Step 2: Convert to fraction form
    99,504.90/149,057.28 = 49,433.40/x
  3. Step 3: Cross multiply
    99,504.90x = 149,057.28 × 49,433.40
  4. Step 4: Simplify right side
    99,504.90x = 7,368,408,145.15
  5. Step 5: Solve for x
    x = 7,368,408,145.15/99,504.90
  6. Step 6: Final answer
    x = 74,050.71

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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.