Home / 105,646.72-145,796.44-60,325.09

Finding the Fourth Proportional to 105,646.72, 145,796.44 and 60,325.09

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Solution

The fourth proportional to 105,646.72, 145,796.44 and 60,325.09 is: 83,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,646.72 : 145,796.44 = 60,325.09 : x
  2. Step 2: Convert to fraction form
    105,646.72/145,796.44 = 60,325.09/x
  3. Step 3: Cross multiply
    105,646.72x = 145,796.44 × 60,325.09
  4. Step 4: Simplify right side
    105,646.72x = 8,795,183,364.68
  5. Step 5: Solve for x
    x = 8,795,183,364.68/105,646.72
  6. Step 6: Final answer
    x = 83,250.89

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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.