Home / 114,046.17-157,379.11-66,295.75

Finding the Fourth Proportional to 114,046.17, 157,379.11 and 66,295.75

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Solution

The fourth proportional to 114,046.17, 157,379.11 and 66,295.75 is: 91,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,046.17 : 157,379.11 = 66,295.75 : x
  2. Step 2: Convert to fraction form
    114,046.17/157,379.11 = 66,295.75/x
  3. Step 3: Cross multiply
    114,046.17x = 157,379.11 × 66,295.75
  4. Step 4: Simplify right side
    114,046.17x = 10,433,566,131.78
  5. Step 5: Solve for x
    x = 10,433,566,131.78/114,046.17
  6. Step 6: Final answer
    x = 91,485.46

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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.