Home / 90,841.08-125,366.58-50,554.72

Finding the Fourth Proportional to 90,841.08, 125,366.58 and 50,554.72

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Solution

The fourth proportional to 90,841.08, 125,366.58 and 50,554.72 is: 69,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.08 : 125,366.58 = 50,554.72 : x
  2. Step 2: Convert to fraction form
    90,841.08/125,366.58 = 50,554.72/x
  3. Step 3: Cross multiply
    90,841.08x = 125,366.58 × 50,554.72
  4. Step 4: Simplify right side
    90,841.08x = 6,337,871,469.65
  5. Step 5: Solve for x
    x = 6,337,871,469.65/90,841.08
  6. Step 6: Final answer
    x = 69,768.79

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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.