Home / 90,850.04-125,379.08-50,563.36

Finding the Fourth Proportional to 90,850.04, 125,379.08 and 50,563.36

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Solution

The fourth proportional to 90,850.04, 125,379.08 and 50,563.36 is: 69,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,850.04 : 125,379.08 = 50,563.36 : x
  2. Step 2: Convert to fraction form
    90,850.04/125,379.08 = 50,563.36/x
  3. Step 3: Cross multiply
    90,850.04x = 125,379.08 × 50,563.36
  4. Step 4: Simplify right side
    90,850.04x = 6,339,587,558.51
  5. Step 5: Solve for x
    x = 6,339,587,558.51/90,850.04
  6. Step 6: Final answer
    x = 69,780.79

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1.5x scale

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.