Home / 45,851.73-68,772.99-12,575.14

Finding the Fourth Proportional to 45,851.73, 68,772.99 and 12,575.14

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Solution

The fourth proportional to 45,851.73, 68,772.99 and 12,575.14 is: 18,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.73 : 68,772.99 = 12,575.14 : x
  2. Step 2: Convert to fraction form
    45,851.73/68,772.99 = 12,575.14/x
  3. Step 3: Cross multiply
    45,851.73x = 68,772.99 × 12,575.14
  4. Step 4: Simplify right side
    45,851.73x = 864,829,914.59
  5. Step 5: Solve for x
    x = 864,829,914.59/45,851.73
  6. Step 6: Final answer
    x = 18,861.45

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1.5x scale

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.