Home / 81,226.42-121,795.02-25,050.94

Finding the Fourth Proportional to 81,226.42, 121,795.02 and 25,050.94

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Solution

The fourth proportional to 81,226.42, 121,795.02 and 25,050.94 is: 37,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.42 : 121,795.02 = 25,050.94 : x
  2. Step 2: Convert to fraction form
    81,226.42/121,795.02 = 25,050.94/x
  3. Step 3: Cross multiply
    81,226.42x = 121,795.02 × 25,050.94
  4. Step 4: Simplify right side
    81,226.42x = 3,051,079,433.83
  5. Step 5: Solve for x
    x = 3,051,079,433.83/81,226.42
  6. Step 6: Final answer
    x = 37,562.65

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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.