Home / 105,497.40-145,613.94-73,234.44

Finding the Fourth Proportional to 105,497.40, 145,613.94 and 73,234.44

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Solution

The fourth proportional to 105,497.40, 145,613.94 and 73,234.44 is: 101,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.40 : 145,613.94 = 73,234.44 : x
  2. Step 2: Convert to fraction form
    105,497.40/145,613.94 = 73,234.44/x
  3. Step 3: Cross multiply
    105,497.40x = 145,613.94 × 73,234.44
  4. Step 4: Simplify right side
    105,497.40x = 10,663,955,352.09
  5. Step 5: Solve for x
    x = 10,663,955,352.09/105,497.40
  6. Step 6: Final answer
    x = 101,082.64

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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.