Home / 45,815.40-68,723.10-16,266.60

Finding the Fourth Proportional to 45,815.40, 68,723.10 and 16,266.60

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Solution

The fourth proportional to 45,815.40, 68,723.10 and 16,266.60 is: 24,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.40 : 68,723.10 = 16,266.60 : x
  2. Step 2: Convert to fraction form
    45,815.40/68,723.10 = 16,266.60/x
  3. Step 3: Cross multiply
    45,815.40x = 68,723.10 × 16,266.60
  4. Step 4: Simplify right side
    45,815.40x = 1,117,891,178.46
  5. Step 5: Solve for x
    x = 1,117,891,178.46/45,815.40
  6. Step 6: Final answer
    x = 24,399.90

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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.