Home / 116,729.42-174,813.44-66,657.75

Finding the Fourth Proportional to 116,729.42, 174,813.44 and 66,657.75

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Solution

The fourth proportional to 116,729.42, 174,813.44 and 66,657.75 is: 99,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,729.42 : 174,813.44 = 66,657.75 : x
  2. Step 2: Convert to fraction form
    116,729.42/174,813.44 = 66,657.75/x
  3. Step 3: Cross multiply
    116,729.42x = 174,813.44 × 66,657.75
  4. Step 4: Simplify right side
    116,729.42x = 11,652,670,246.87
  5. Step 5: Solve for x
    x = 11,652,670,246.87/116,729.42
  6. Step 6: Final answer
    x = 99,826.34

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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.