Home / 109,621.09-164,436.21-34,739.58

Finding the Fourth Proportional to 109,621.09, 164,436.21 and 34,739.58

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Solution

The fourth proportional to 109,621.09, 164,436.21 and 34,739.58 is: 52,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,621.09 : 164,436.21 = 34,739.58 : x
  2. Step 2: Convert to fraction form
    109,621.09/164,436.21 = 34,739.58/x
  3. Step 3: Cross multiply
    109,621.09x = 164,436.21 × 34,739.58
  4. Step 4: Simplify right side
    109,621.09x = 5,712,444,872.19
  5. Step 5: Solve for x
    x = 5,712,444,872.19/109,621.09
  6. Step 6: Final answer
    x = 52,110.82

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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.