Home / 75,480.06-113,223.87-28,736.58

Finding the Fourth Proportional to 75,480.06, 113,223.87 and 28,736.58

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Solution

The fourth proportional to 75,480.06, 113,223.87 and 28,736.58 is: 43,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.06 : 113,223.87 = 28,736.58 : x
  2. Step 2: Convert to fraction form
    75,480.06/113,223.87 = 28,736.58/x
  3. Step 3: Cross multiply
    75,480.06x = 113,223.87 × 28,736.58
  4. Step 4: Simplify right side
    75,480.06x = 3,253,666,798.16
  5. Step 5: Solve for x
    x = 3,253,666,798.16/75,480.06
  6. Step 6: Final answer
    x = 43,106.31

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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.