Home / 74,512.51-111,818.00-35,080.90

Finding the Fourth Proportional to 74,512.51, 111,818.00 and 35,080.90

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Solution

The fourth proportional to 74,512.51, 111,818.00 and 35,080.90 is: 52,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.51 : 111,818.00 = 35,080.90 : x
  2. Step 2: Convert to fraction form
    74,512.51/111,818.00 = 35,080.90/x
  3. Step 3: Cross multiply
    74,512.51x = 111,818.00 × 35,080.90
  4. Step 4: Simplify right side
    74,512.51x = 3,922,675,884.36
  5. Step 5: Solve for x
    x = 3,922,675,884.36/74,512.51
  6. Step 6: Final answer
    x = 52,644.53

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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.