Home / 53,873.51-74,340.68-31,205.25

Finding the Fourth Proportional to 53,873.51, 74,340.68 and 31,205.25

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Solution

The fourth proportional to 53,873.51, 74,340.68 and 31,205.25 is: 43,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,873.51 : 74,340.68 = 31,205.25 : x
  2. Step 2: Convert to fraction form
    53,873.51/74,340.68 = 31,205.25/x
  3. Step 3: Cross multiply
    53,873.51x = 74,340.68 × 31,205.25
  4. Step 4: Simplify right side
    53,873.51x = 2,319,819,348.54
  5. Step 5: Solve for x
    x = 2,319,819,348.54/53,873.51
  6. Step 6: Final answer
    x = 43,060.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.