Home / 53,976.06-74,467.38-31,302.54

Finding the Fourth Proportional to 53,976.06, 74,467.38 and 31,302.54

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Solution

The fourth proportional to 53,976.06, 74,467.38 and 31,302.54 is: 43,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.06 : 74,467.38 = 31,302.54 : x
  2. Step 2: Convert to fraction form
    53,976.06/74,467.38 = 31,302.54/x
  3. Step 3: Cross multiply
    53,976.06x = 74,467.38 × 31,302.54
  4. Step 4: Simplify right side
    53,976.06x = 2,331,018,141.15
  5. Step 5: Solve for x
    x = 2,331,018,141.15/53,976.06
  6. Step 6: Final answer
    x = 43,186.15

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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.