Home / 53,828.48-74,385.71-40,376.37

Finding the Fourth Proportional to 53,828.48, 74,385.71 and 40,376.37

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Solution

The fourth proportional to 53,828.48, 74,385.71 and 40,376.37 is: 55,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.48 : 74,385.71 = 40,376.37 : x
  2. Step 2: Convert to fraction form
    53,828.48/74,385.71 = 40,376.37/x
  3. Step 3: Cross multiply
    53,828.48x = 74,385.71 × 40,376.37
  4. Step 4: Simplify right side
    53,828.48x = 3,003,424,747.79
  5. Step 5: Solve for x
    x = 3,003,424,747.79/53,828.48
  6. Step 6: Final answer
    x = 55,796.21

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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.