Home / 99,028.85-148,568.14-45,758.49

Finding the Fourth Proportional to 99,028.85, 148,568.14 and 45,758.49

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Solution

The fourth proportional to 99,028.85, 148,568.14 and 45,758.49 is: 68,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028.85 : 148,568.14 = 45,758.49 : x
  2. Step 2: Convert to fraction form
    99,028.85/148,568.14 = 45,758.49/x
  3. Step 3: Cross multiply
    99,028.85x = 148,568.14 × 45,758.49
  4. Step 4: Simplify right side
    99,028.85x = 6,798,253,248.58
  5. Step 5: Solve for x
    x = 6,798,253,248.58/99,028.85
  6. Step 6: Final answer
    x = 68,649.22

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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.