Home / 45,849.16-68,784.48-14,257.56

Finding the Fourth Proportional to 45,849.16, 68,784.48 and 14,257.56

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Solution

The fourth proportional to 45,849.16, 68,784.48 and 14,257.56 is: 21,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.16 : 68,784.48 = 14,257.56 : x
  2. Step 2: Convert to fraction form
    45,849.16/68,784.48 = 14,257.56/x
  3. Step 3: Cross multiply
    45,849.16x = 68,784.48 × 14,257.56
  4. Step 4: Simplify right side
    45,849.16x = 980,698,850.67
  5. Step 5: Solve for x
    x = 980,698,850.67/45,849.16
  6. Step 6: Final answer
    x = 21,389.68

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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.