Home / 68,761.51-94,889.95-38,546.75

Finding the Fourth Proportional to 68,761.51, 94,889.95 and 38,546.75

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Solution

The fourth proportional to 68,761.51, 94,889.95 and 38,546.75 is: 53,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761.51 : 94,889.95 = 38,546.75 : x
  2. Step 2: Convert to fraction form
    68,761.51/94,889.95 = 38,546.75/x
  3. Step 3: Cross multiply
    68,761.51x = 94,889.95 × 38,546.75
  4. Step 4: Simplify right side
    68,761.51x = 3,657,699,321.02
  5. Step 5: Solve for x
    x = 3,657,699,321.02/68,761.51
  6. Step 6: Final answer
    x = 53,194.00

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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.