Home / 92,485.26-138,776.49-50,395.50

Finding the Fourth Proportional to 92,485.26, 138,776.49 and 50,395.50

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Solution

The fourth proportional to 92,485.26, 138,776.49 and 50,395.50 is: 75,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,485.26 : 138,776.49 = 50,395.50 : x
  2. Step 2: Convert to fraction form
    92,485.26/138,776.49 = 50,395.50/x
  3. Step 3: Cross multiply
    92,485.26x = 138,776.49 × 50,395.50
  4. Step 4: Simplify right side
    92,485.26x = 6,993,710,601.80
  5. Step 5: Solve for x
    x = 6,993,710,601.80/92,485.26
  6. Step 6: Final answer
    x = 75,619.73

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1.5x scale

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.