Home / 45,931.44-68,899.86-14,346.03

Finding the Fourth Proportional to 45,931.44, 68,899.86 and 14,346.03

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Solution

The fourth proportional to 45,931.44, 68,899.86 and 14,346.03 is: 21,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.44 : 68,899.86 = 14,346.03 : x
  2. Step 2: Convert to fraction form
    45,931.44/68,899.86 = 14,346.03/x
  3. Step 3: Cross multiply
    45,931.44x = 68,899.86 × 14,346.03
  4. Step 4: Simplify right side
    45,931.44x = 988,439,458.56
  5. Step 5: Solve for x
    x = 988,439,458.56/45,931.44
  6. Step 6: Final answer
    x = 21,519.89

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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.