Home / 109,611.25-164,434.07-46,431.54

Finding the Fourth Proportional to 109,611.25, 164,434.07 and 46,431.54

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Solution

The fourth proportional to 109,611.25, 164,434.07 and 46,431.54 is: 69,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,611.25 : 164,434.07 = 46,431.54 : x
  2. Step 2: Convert to fraction form
    109,611.25/164,434.07 = 46,431.54/x
  3. Step 3: Cross multiply
    109,611.25x = 164,434.07 × 46,431.54
  4. Step 4: Simplify right side
    109,611.25x = 7,634,927,214.65
  5. Step 5: Solve for x
    x = 7,634,927,214.65/109,611.25
  6. Step 6: Final answer
    x = 69,654.60

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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.