Home / 99,907.07-149,919.70-36,771.53

Finding the Fourth Proportional to 99,907.07, 149,919.70 and 36,771.53

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Solution

The fourth proportional to 99,907.07, 149,919.70 and 36,771.53 is: 55,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,907.07 : 149,919.70 = 36,771.53 : x
  2. Step 2: Convert to fraction form
    99,907.07/149,919.70 = 36,771.53/x
  3. Step 3: Cross multiply
    99,907.07x = 149,919.70 × 36,771.53
  4. Step 4: Simplify right side
    99,907.07x = 5,512,776,746.14
  5. Step 5: Solve for x
    x = 5,512,776,746.14/99,907.07
  6. Step 6: Final answer
    x = 55,179.05

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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.