Home / 65,558.14-90,470.04-37,269.28

Finding the Fourth Proportional to 65,558.14, 90,470.04 and 37,269.28

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Solution

The fourth proportional to 65,558.14, 90,470.04 and 37,269.28 is: 51,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,558.14 : 90,470.04 = 37,269.28 : x
  2. Step 2: Convert to fraction form
    65,558.14/90,470.04 = 37,269.28/x
  3. Step 3: Cross multiply
    65,558.14x = 90,470.04 × 37,269.28
  4. Step 4: Simplify right side
    65,558.14x = 3,371,753,252.37
  5. Step 5: Solve for x
    x = 3,371,753,252.37/65,558.14
  6. Step 6: Final answer
    x = 51,431.50

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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.