Home / 45,699.30-68,555.45-14,111.96

Finding the Fourth Proportional to 45,699.30, 68,555.45 and 14,111.96

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Solution

The fourth proportional to 45,699.30, 68,555.45 and 14,111.96 is: 21,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.30 : 68,555.45 = 14,111.96 : x
  2. Step 2: Convert to fraction form
    45,699.30/68,555.45 = 14,111.96/x
  3. Step 3: Cross multiply
    45,699.30x = 68,555.45 × 14,111.96
  4. Step 4: Simplify right side
    45,699.30x = 967,451,354.84
  5. Step 5: Solve for x
    x = 967,451,354.84/45,699.30
  6. Step 6: Final answer
    x = 21,169.94

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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.