Home / 66,268.81-99,365.56-45,234.31

Finding the Fourth Proportional to 66,268.81, 99,365.56 and 45,234.31

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Solution

The fourth proportional to 66,268.81, 99,365.56 and 45,234.31 is: 67,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268.81 : 99,365.56 = 45,234.31 : x
  2. Step 2: Convert to fraction form
    66,268.81/99,365.56 = 45,234.31/x
  3. Step 3: Cross multiply
    66,268.81x = 99,365.56 × 45,234.31
  4. Step 4: Simplify right side
    66,268.81x = 4,494,732,905.86
  5. Step 5: Solve for x
    x = 4,494,732,905.86/66,268.81
  6. Step 6: Final answer
    x = 67,825.77

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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.