Home / 98,799.19-136,305.67-64,826.43

Finding the Fourth Proportional to 98,799.19, 136,305.67 and 64,826.43

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Solution

The fourth proportional to 98,799.19, 136,305.67 and 64,826.43 is: 89,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,799.19 : 136,305.67 = 64,826.43 : x
  2. Step 2: Convert to fraction form
    98,799.19/136,305.67 = 64,826.43/x
  3. Step 3: Cross multiply
    98,799.19x = 136,305.67 × 64,826.43
  4. Step 4: Simplify right side
    98,799.19x = 8,836,209,650.73
  5. Step 5: Solve for x
    x = 8,836,209,650.73/98,799.19
  6. Step 6: Final answer
    x = 89,436.05

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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.