Home / 74,583.21-102,725.22-64,512.07

Finding the Fourth Proportional to 74,583.21, 102,725.22 and 64,512.07

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Solution

The fourth proportional to 74,583.21, 102,725.22 and 64,512.07 is: 88,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,583.21 : 102,725.22 = 64,512.07 : x
  2. Step 2: Convert to fraction form
    74,583.21/102,725.22 = 64,512.07/x
  3. Step 3: Cross multiply
    74,583.21x = 102,725.22 × 64,512.07
  4. Step 4: Simplify right side
    74,583.21x = 6,627,016,583.41
  5. Step 5: Solve for x
    x = 6,627,016,583.41/74,583.21
  6. Step 6: Final answer
    x = 88,854.00

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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.