Home / 74,448.32-111,693.32-30,106.20

Finding the Fourth Proportional to 74,448.32, 111,693.32 and 30,106.20

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Solution

The fourth proportional to 74,448.32, 111,693.32 and 30,106.20 is: 45,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.32 : 111,693.32 = 30,106.20 : x
  2. Step 2: Convert to fraction form
    74,448.32/111,693.32 = 30,106.20/x
  3. Step 3: Cross multiply
    74,448.32x = 111,693.32 × 30,106.20
  4. Step 4: Simplify right side
    74,448.32x = 3,362,661,280.05
  5. Step 5: Solve for x
    x = 3,362,661,280.05/74,448.32
  6. Step 6: Final answer
    x = 45,167.73

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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.