Home / 66,408.20-99,497.10-43,022.60

Finding the Fourth Proportional to 66,408.20, 99,497.10 and 43,022.60

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Solution

The fourth proportional to 66,408.20, 99,497.10 and 43,022.60 is: 64,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,408.20 : 99,497.10 = 43,022.60 : x
  2. Step 2: Convert to fraction form
    66,408.20/99,497.10 = 43,022.60/x
  3. Step 3: Cross multiply
    66,408.20x = 99,497.10 × 43,022.60
  4. Step 4: Simplify right side
    66,408.20x = 4,280,623,934.46
  5. Step 5: Solve for x
    x = 4,280,623,934.46/66,408.20
  6. Step 6: Final answer
    x = 64,459.27

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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.