Home / 105,679.98-145,844.24-60,372.68

Finding the Fourth Proportional to 105,679.98, 145,844.24 and 60,372.68

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Solution

The fourth proportional to 105,679.98, 145,844.24 and 60,372.68 is: 83,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,679.98 : 145,844.24 = 60,372.68 : x
  2. Step 2: Convert to fraction form
    105,679.98/145,844.24 = 60,372.68/x
  3. Step 3: Cross multiply
    105,679.98x = 145,844.24 × 60,372.68
  4. Step 4: Simplify right side
    105,679.98x = 8,805,006,939.87
  5. Step 5: Solve for x
    x = 8,805,006,939.87/105,679.98
  6. Step 6: Final answer
    x = 83,317.64

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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.