Home / 78,739.46-118,177.43-41,325.96

Finding the Fourth Proportional to 78,739.46, 118,177.43 and 41,325.96

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Solution

The fourth proportional to 78,739.46, 118,177.43 and 41,325.96 is: 62,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,739.46 : 118,177.43 = 41,325.96 : x
  2. Step 2: Convert to fraction form
    78,739.46/118,177.43 = 41,325.96/x
  3. Step 3: Cross multiply
    78,739.46x = 118,177.43 × 41,325.96
  4. Step 4: Simplify right side
    78,739.46x = 4,883,795,538.45
  5. Step 5: Solve for x
    x = 4,883,795,538.45/78,739.46
  6. Step 6: Final answer
    x = 62,024.76

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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.