Home / 66,502.10-99,534.72-50,621.42

Finding the Fourth Proportional to 66,502.10, 99,534.72 and 50,621.42

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Solution

The fourth proportional to 66,502.10, 99,534.72 and 50,621.42 is: 75,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502.10 : 99,534.72 = 50,621.42 : x
  2. Step 2: Convert to fraction form
    66,502.10/99,534.72 = 50,621.42/x
  3. Step 3: Cross multiply
    66,502.10x = 99,534.72 × 50,621.42
  4. Step 4: Simplify right side
    66,502.10x = 5,038,588,865.70
  5. Step 5: Solve for x
    x = 5,038,588,865.70/66,502.10
  6. Step 6: Final answer
    x = 75,765.86

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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.