Home / 53,895.18-74,375.44-31,238.48

Finding the Fourth Proportional to 53,895.18, 74,375.44 and 31,238.48

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Solution

The fourth proportional to 53,895.18, 74,375.44 and 31,238.48 is: 43,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.18 : 74,375.44 = 31,238.48 : x
  2. Step 2: Convert to fraction form
    53,895.18/74,375.44 = 31,238.48/x
  3. Step 3: Cross multiply
    53,895.18x = 74,375.44 × 31,238.48
  4. Step 4: Simplify right side
    53,895.18x = 2,323,375,694.93
  5. Step 5: Solve for x
    x = 2,323,375,694.93/53,895.18
  6. Step 6: Final answer
    x = 43,109.16

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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.