Home / 45,749.53-68,611.10-15,762.55

Finding the Fourth Proportional to 45,749.53, 68,611.10 and 15,762.55

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Solution

The fourth proportional to 45,749.53, 68,611.10 and 15,762.55 is: 23,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.53 : 68,611.10 = 15,762.55 : x
  2. Step 2: Convert to fraction form
    45,749.53/68,611.10 = 15,762.55/x
  3. Step 3: Cross multiply
    45,749.53x = 68,611.10 × 15,762.55
  4. Step 4: Simplify right side
    45,749.53x = 1,081,485,861.27
  5. Step 5: Solve for x
    x = 1,081,485,861.27/45,749.53
  6. Step 6: Final answer
    x = 23,639.28

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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.