Home / 109,622.40-164,450.78-46,442.68

Finding the Fourth Proportional to 109,622.40, 164,450.78 and 46,442.68

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Solution

The fourth proportional to 109,622.40, 164,450.78 and 46,442.68 is: 69,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.40 : 164,450.78 = 46,442.68 : x
  2. Step 2: Convert to fraction form
    109,622.40/164,450.78 = 46,442.68/x
  3. Step 3: Cross multiply
    109,622.40x = 164,450.78 × 46,442.68
  4. Step 4: Simplify right side
    109,622.40x = 7,637,534,951.29
  5. Step 5: Solve for x
    x = 7,637,534,951.29/109,622.40
  6. Step 6: Final answer
    x = 69,671.30

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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.