Home / 74,736.06-112,102.66-30,332.26

Finding the Fourth Proportional to 74,736.06, 112,102.66 and 30,332.26

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Solution

The fourth proportional to 74,736.06, 112,102.66 and 30,332.26 is: 45,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.06 : 112,102.66 = 30,332.26 : x
  2. Step 2: Convert to fraction form
    74,736.06/112,102.66 = 30,332.26/x
  3. Step 3: Cross multiply
    74,736.06x = 112,102.66 × 30,332.26
  4. Step 4: Simplify right side
    74,736.06x = 3,400,327,029.81
  5. Step 5: Solve for x
    x = 3,400,327,029.81/74,736.06
  6. Step 6: Final answer
    x = 45,497.81

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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.