Home / 45,629.73-68,445-16,047.79

Finding the Fourth Proportional to 45,629.73, 68,445 and 16,047.79

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Solution

The fourth proportional to 45,629.73, 68,445 and 16,047.79 is: 24,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.73 : 68,445 = 16,047.79 : x
  2. Step 2: Convert to fraction form
    45,629.73/68,445 = 16,047.79/x
  3. Step 3: Cross multiply
    45,629.73x = 68,445 × 16,047.79
  4. Step 4: Simplify right side
    45,629.73x = 1,098,390,815.44
  5. Step 5: Solve for x
    x = 1,098,390,815.44/45,629.73
  6. Step 6: Final answer
    x = 24,071.82

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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.