Home / 109,913.35-164,870.30-31,027.54

Finding the Fourth Proportional to 109,913.35, 164,870.30 and 31,027.54

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Solution

The fourth proportional to 109,913.35, 164,870.30 and 31,027.54 is: 46,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,913.35 : 164,870.30 = 31,027.54 : x
  2. Step 2: Convert to fraction form
    109,913.35/164,870.30 = 31,027.54/x
  3. Step 3: Cross multiply
    109,913.35x = 164,870.30 × 31,027.54
  4. Step 4: Simplify right side
    109,913.35x = 5,115,519,828.06
  5. Step 5: Solve for x
    x = 5,115,519,828.06/109,913.35
  6. Step 6: Final answer
    x = 46,541.39

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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.