Home / 45,733.88-68,323.70-28,959.60

Finding the Fourth Proportional to 45,733.88, 68,323.70 and 28,959.60

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Solution

The fourth proportional to 45,733.88, 68,323.70 and 28,959.60 is: 43,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,733.88 : 68,323.70 = 28,959.60 : x
  2. Step 2: Convert to fraction form
    45,733.88/68,323.70 = 28,959.60/x
  3. Step 3: Cross multiply
    45,733.88x = 68,323.70 × 28,959.60
  4. Step 4: Simplify right side
    45,733.88x = 1,978,627,022.52
  5. Step 5: Solve for x
    x = 1,978,627,022.52/45,733.88
  6. Step 6: Final answer
    x = 43,263.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.