Home / 72,739.85-100,350.15-44,429.13

Finding the Fourth Proportional to 72,739.85, 100,350.15 and 44,429.13

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Solution

The fourth proportional to 72,739.85, 100,350.15 and 44,429.13 is: 61,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,739.85 : 100,350.15 = 44,429.13 : x
  2. Step 2: Convert to fraction form
    72,739.85/100,350.15 = 44,429.13/x
  3. Step 3: Cross multiply
    72,739.85x = 100,350.15 × 44,429.13
  4. Step 4: Simplify right side
    72,739.85x = 4,458,470,287.89
  5. Step 5: Solve for x
    x = 4,458,470,287.89/72,739.85
  6. Step 6: Final answer
    x = 61,293.37

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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.