Home / 66,154.49-99,233.36-19,408.85

Finding the Fourth Proportional to 66,154.49, 99,233.36 and 19,408.85

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Solution

The fourth proportional to 66,154.49, 99,233.36 and 19,408.85 is: 29,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.49 : 99,233.36 = 19,408.85 : x
  2. Step 2: Convert to fraction form
    66,154.49/99,233.36 = 19,408.85/x
  3. Step 3: Cross multiply
    66,154.49x = 99,233.36 × 19,408.85
  4. Step 4: Simplify right side
    66,154.49x = 1,926,005,399.24
  5. Step 5: Solve for x
    x = 1,926,005,399.24/66,154.49
  6. Step 6: Final answer
    x = 29,113.75

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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.