Home / 45,720.36-68,581.98-16,158.60

Finding the Fourth Proportional to 45,720.36, 68,581.98 and 16,158.60

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Solution

The fourth proportional to 45,720.36, 68,581.98 and 16,158.60 is: 24,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.36 : 68,581.98 = 16,158.60 : x
  2. Step 2: Convert to fraction form
    45,720.36/68,581.98 = 16,158.60/x
  3. Step 3: Cross multiply
    45,720.36x = 68,581.98 × 16,158.60
  4. Step 4: Simplify right side
    45,720.36x = 1,108,188,782.03
  5. Step 5: Solve for x
    x = 1,108,188,782.03/45,720.36
  6. Step 6: Final answer
    x = 24,238.41

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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.