Home / 66,434.20-99,683.70-50,633.80

Finding the Fourth Proportional to 66,434.20, 99,683.70 and 50,633.80

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Solution

The fourth proportional to 66,434.20, 99,683.70 and 50,633.80 is: 75,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.20 : 99,683.70 = 50,633.80 : x
  2. Step 2: Convert to fraction form
    66,434.20/99,683.70 = 50,633.80/x
  3. Step 3: Cross multiply
    66,434.20x = 99,683.70 × 50,633.80
  4. Step 4: Simplify right side
    66,434.20x = 5,047,364,529.06
  5. Step 5: Solve for x
    x = 5,047,364,529.06/66,434.20
  6. Step 6: Final answer
    x = 75,975.39

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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.