Home / 109,938.24-164,918.16-31,053.06

Finding the Fourth Proportional to 109,938.24, 164,918.16 and 31,053.06

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Solution

The fourth proportional to 109,938.24, 164,918.16 and 31,053.06 is: 46,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938.24 : 164,918.16 = 31,053.06 : x
  2. Step 2: Convert to fraction form
    109,938.24/164,918.16 = 31,053.06/x
  3. Step 3: Cross multiply
    109,938.24x = 164,918.16 × 31,053.06
  4. Step 4: Simplify right side
    109,938.24x = 5,121,213,517.57
  5. Step 5: Solve for x
    x = 5,121,213,517.57/109,938.24
  6. Step 6: Final answer
    x = 46,582.64

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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.