Home / 78,682.95-117,940.37-44,876.18

Finding the Fourth Proportional to 78,682.95, 117,940.37 and 44,876.18

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Solution

The fourth proportional to 78,682.95, 117,940.37 and 44,876.18 is: 67,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,682.95 : 117,940.37 = 44,876.18 : x
  2. Step 2: Convert to fraction form
    78,682.95/117,940.37 = 44,876.18/x
  3. Step 3: Cross multiply
    78,682.95x = 117,940.37 × 44,876.18
  4. Step 4: Simplify right side
    78,682.95x = 5,292,713,273.39
  5. Step 5: Solve for x
    x = 5,292,713,273.39/78,682.95
  6. Step 6: Final answer
    x = 67,266.33

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1.5x scale

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.