Home / 103,382.92-155,072.58-56,610.28

Finding the Fourth Proportional to 103,382.92, 155,072.58 and 56,610.28

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Solution

The fourth proportional to 103,382.92, 155,072.58 and 56,610.28 is: 84,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,382.92 : 155,072.58 = 56,610.28 : x
  2. Step 2: Convert to fraction form
    103,382.92/155,072.58 = 56,610.28/x
  3. Step 3: Cross multiply
    103,382.92x = 155,072.58 × 56,610.28
  4. Step 4: Simplify right side
    103,382.92x = 8,778,702,174.12
  5. Step 5: Solve for x
    x = 8,778,702,174.12/103,382.92
  6. Step 6: Final answer
    x = 84,914.43

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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.