Home / 45,913.52-68,861.20-12,625

Finding the Fourth Proportional to 45,913.52, 68,861.20 and 12,625

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Solution

The fourth proportional to 45,913.52, 68,861.20 and 12,625 is: 18,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,913.52 : 68,861.20 = 12,625 : x
  2. Step 2: Convert to fraction form
    45,913.52/68,861.20 = 12,625/x
  3. Step 3: Cross multiply
    45,913.52x = 68,861.20 × 12,625
  4. Step 4: Simplify right side
    45,913.52x = 869,372,650
  5. Step 5: Solve for x
    x = 869,372,650/45,913.52
  6. Step 6: Final answer
    x = 18,935.00

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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.