Home / 74,782.66-112,195.19-30,441.24

Finding the Fourth Proportional to 74,782.66, 112,195.19 and 30,441.24

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Solution

The fourth proportional to 74,782.66, 112,195.19 and 30,441.24 is: 45,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,782.66 : 112,195.19 = 30,441.24 : x
  2. Step 2: Convert to fraction form
    74,782.66/112,195.19 = 30,441.24/x
  3. Step 3: Cross multiply
    74,782.66x = 112,195.19 × 30,441.24
  4. Step 4: Simplify right side
    74,782.66x = 3,415,360,705.64
  5. Step 5: Solve for x
    x = 3,415,360,705.64/74,782.66
  6. Step 6: Final answer
    x = 45,670.49

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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.