Home / 74,367.04-102,539.82-55,471.36

Finding the Fourth Proportional to 74,367.04, 102,539.82 and 55,471.36

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Solution

The fourth proportional to 74,367.04, 102,539.82 and 55,471.36 is: 76,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.04 : 102,539.82 = 55,471.36 : x
  2. Step 2: Convert to fraction form
    74,367.04/102,539.82 = 55,471.36/x
  3. Step 3: Cross multiply
    74,367.04x = 102,539.82 × 55,471.36
  4. Step 4: Simplify right side
    74,367.04x = 5,688,023,269.56
  5. Step 5: Solve for x
    x = 5,688,023,269.56/74,367.04
  6. Step 6: Final answer
    x = 76,485.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.