Home / 97,563.03-134,639.61-55,120.65

Finding the Fourth Proportional to 97,563.03, 134,639.61 and 55,120.65

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Solution

The fourth proportional to 97,563.03, 134,639.61 and 55,120.65 is: 76,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,563.03 : 134,639.61 = 55,120.65 : x
  2. Step 2: Convert to fraction form
    97,563.03/134,639.61 = 55,120.65/x
  3. Step 3: Cross multiply
    97,563.03x = 134,639.61 × 55,120.65
  4. Step 4: Simplify right side
    97,563.03x = 7,421,422,107.35
  5. Step 5: Solve for x
    x = 7,421,422,107.35/97,563.03
  6. Step 6: Final answer
    x = 76,067.98

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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.