Home / 53,828.74-74,287.70-31,173.85

Finding the Fourth Proportional to 53,828.74, 74,287.70 and 31,173.85

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Solution

The fourth proportional to 53,828.74, 74,287.70 and 31,173.85 is: 43,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.74 : 74,287.70 = 31,173.85 : x
  2. Step 2: Convert to fraction form
    53,828.74/74,287.70 = 31,173.85/x
  3. Step 3: Cross multiply
    53,828.74x = 74,287.70 × 31,173.85
  4. Step 4: Simplify right side
    53,828.74x = 2,315,833,616.65
  5. Step 5: Solve for x
    x = 2,315,833,616.65/53,828.74
  6. Step 6: Final answer
    x = 43,022.25

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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.