Home / 74,429.27-111,647.55-30,050.48

Finding the Fourth Proportional to 74,429.27, 111,647.55 and 30,050.48

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Solution

The fourth proportional to 74,429.27, 111,647.55 and 30,050.48 is: 45,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.27 : 111,647.55 = 30,050.48 : x
  2. Step 2: Convert to fraction form
    74,429.27/111,647.55 = 30,050.48/x
  3. Step 3: Cross multiply
    74,429.27x = 111,647.55 × 30,050.48
  4. Step 4: Simplify right side
    74,429.27x = 3,355,062,468.32
  5. Step 5: Solve for x
    x = 3,355,062,468.32/74,429.27
  6. Step 6: Final answer
    x = 45,077.19

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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.