Home / 68,826.06-94,991.02-40,531.76

Finding the Fourth Proportional to 68,826.06, 94,991.02 and 40,531.76

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Solution

The fourth proportional to 68,826.06, 94,991.02 and 40,531.76 is: 55,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.06 : 94,991.02 = 40,531.76 : x
  2. Step 2: Convert to fraction form
    68,826.06/94,991.02 = 40,531.76/x
  3. Step 3: Cross multiply
    68,826.06x = 94,991.02 × 40,531.76
  4. Step 4: Simplify right side
    68,826.06x = 3,850,153,224.80
  5. Step 5: Solve for x
    x = 3,850,153,224.80/68,826.06
  6. Step 6: Final answer
    x = 55,940.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.