Home / 45,333.72-68,000.50-12,053.80

Finding the Fourth Proportional to 45,333.72, 68,000.50 and 12,053.80

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Solution

The fourth proportional to 45,333.72, 68,000.50 and 12,053.80 is: 18,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333.72 : 68,000.50 = 12,053.80 : x
  2. Step 2: Convert to fraction form
    45,333.72/68,000.50 = 12,053.80/x
  3. Step 3: Cross multiply
    45,333.72x = 68,000.50 × 12,053.80
  4. Step 4: Simplify right side
    45,333.72x = 819,664,426.90
  5. Step 5: Solve for x
    x = 819,664,426.90/45,333.72
  6. Step 6: Final answer
    x = 18,080.68

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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.