Home / 53,921.25-74,402.57-31,255.82

Finding the Fourth Proportional to 53,921.25, 74,402.57 and 31,255.82

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Solution

The fourth proportional to 53,921.25, 74,402.57 and 31,255.82 is: 43,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.25 : 74,402.57 = 31,255.82 : x
  2. Step 2: Convert to fraction form
    53,921.25/74,402.57 = 31,255.82/x
  3. Step 3: Cross multiply
    53,921.25x = 74,402.57 × 31,255.82
  4. Step 4: Simplify right side
    53,921.25x = 2,325,513,335.46
  5. Step 5: Solve for x
    x = 2,325,513,335.46/53,921.25
  6. Step 6: Final answer
    x = 43,127.96

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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.