Home / 68,927.40-103,391.10-57,846.60

Finding the Fourth Proportional to 68,927.40, 103,391.10 and 57,846.60

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Solution

The fourth proportional to 68,927.40, 103,391.10 and 57,846.60 is: 86,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,927.40 : 103,391.10 = 57,846.60 : x
  2. Step 2: Convert to fraction form
    68,927.40/103,391.10 = 57,846.60/x
  3. Step 3: Cross multiply
    68,927.40x = 103,391.10 × 57,846.60
  4. Step 4: Simplify right side
    68,927.40x = 5,980,823,605.26
  5. Step 5: Solve for x
    x = 5,980,823,605.26/68,927.40
  6. Step 6: Final answer
    x = 86,769.90

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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.