Home / 74,400.60-111,628.56-34,438.98

Finding the Fourth Proportional to 74,400.60, 111,628.56 and 34,438.98

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Solution

The fourth proportional to 74,400.60, 111,628.56 and 34,438.98 is: 51,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,400.60 : 111,628.56 = 34,438.98 : x
  2. Step 2: Convert to fraction form
    74,400.60/111,628.56 = 34,438.98/x
  3. Step 3: Cross multiply
    74,400.60x = 111,628.56 × 34,438.98
  4. Step 4: Simplify right side
    74,400.60x = 3,844,373,745.27
  5. Step 5: Solve for x
    x = 3,844,373,745.27/74,400.60
  6. Step 6: Final answer
    x = 51,671.27

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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.