Home / 45,349.97-68,020.91-12,068.76

Finding the Fourth Proportional to 45,349.97, 68,020.91 and 12,068.76

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Solution

The fourth proportional to 45,349.97, 68,020.91 and 12,068.76 is: 18,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.97 : 68,020.91 = 12,068.76 : x
  2. Step 2: Convert to fraction form
    45,349.97/68,020.91 = 12,068.76/x
  3. Step 3: Cross multiply
    45,349.97x = 68,020.91 × 12,068.76
  4. Step 4: Simplify right side
    45,349.97x = 820,927,977.43
  5. Step 5: Solve for x
    x = 820,927,977.43/45,349.97
  6. Step 6: Final answer
    x = 18,102.06

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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.