Home / 64,704.98-89,325.05-50,136.46

Finding the Fourth Proportional to 64,704.98, 89,325.05 and 50,136.46

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Solution

The fourth proportional to 64,704.98, 89,325.05 and 50,136.46 is: 69,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.98 : 89,325.05 = 50,136.46 : x
  2. Step 2: Convert to fraction form
    64,704.98/89,325.05 = 50,136.46/x
  3. Step 3: Cross multiply
    64,704.98x = 89,325.05 × 50,136.46
  4. Step 4: Simplify right side
    64,704.98x = 4,478,441,322.33
  5. Step 5: Solve for x
    x = 4,478,441,322.33/64,704.98
  6. Step 6: Final answer
    x = 69,213.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.