Home / 69,105.29-103,549.93-48,086.39

Finding the Fourth Proportional to 69,105.29, 103,549.93 and 48,086.39

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Solution

The fourth proportional to 69,105.29, 103,549.93 and 48,086.39 is: 72,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.29 : 103,549.93 = 48,086.39 : x
  2. Step 2: Convert to fraction form
    69,105.29/103,549.93 = 48,086.39/x
  3. Step 3: Cross multiply
    69,105.29x = 103,549.93 × 48,086.39
  4. Step 4: Simplify right side
    69,105.29x = 4,979,342,457.11
  5. Step 5: Solve for x
    x = 4,979,342,457.11/69,105.29
  6. Step 6: Final answer
    x = 72,054.44

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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.