Home / 74,235.64-111,222.24-49,216.36

Finding the Fourth Proportional to 74,235.64, 111,222.24 and 49,216.36

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Solution

The fourth proportional to 74,235.64, 111,222.24 and 49,216.36 is: 73,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,235.64 : 111,222.24 = 49,216.36 : x
  2. Step 2: Convert to fraction form
    74,235.64/111,222.24 = 49,216.36/x
  3. Step 3: Cross multiply
    74,235.64x = 111,222.24 × 49,216.36
  4. Step 4: Simplify right side
    74,235.64x = 5,473,953,803.85
  5. Step 5: Solve for x
    x = 5,473,953,803.85/74,235.64
  6. Step 6: Final answer
    x = 73,737.54

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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.