Home / 53,890.44-74,368.82-31,242.56

Finding the Fourth Proportional to 53,890.44, 74,368.82 and 31,242.56

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Solution

The fourth proportional to 53,890.44, 74,368.82 and 31,242.56 is: 43,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.44 : 74,368.82 = 31,242.56 : x
  2. Step 2: Convert to fraction form
    53,890.44/74,368.82 = 31,242.56/x
  3. Step 3: Cross multiply
    53,890.44x = 74,368.82 × 31,242.56
  4. Step 4: Simplify right side
    53,890.44x = 2,323,471,792.92
  5. Step 5: Solve for x
    x = 2,323,471,792.92/53,890.44
  6. Step 6: Final answer
    x = 43,114.73

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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.