Home / 53,975.72-74,466.86-31,302.20

Finding the Fourth Proportional to 53,975.72, 74,466.86 and 31,302.20

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Solution

The fourth proportional to 53,975.72, 74,466.86 and 31,302.20 is: 43,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.72 : 74,466.86 = 31,302.20 : x
  2. Step 2: Convert to fraction form
    53,975.72/74,466.86 = 31,302.20/x
  3. Step 3: Cross multiply
    53,975.72x = 74,466.86 × 31,302.20
  4. Step 4: Simplify right side
    53,975.72x = 2,330,976,016.25
  5. Step 5: Solve for x
    x = 2,330,976,016.25/53,975.72
  6. Step 6: Final answer
    x = 43,185.64

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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.