Home / 53,930.63-74,424.51-31,283.03

Finding the Fourth Proportional to 53,930.63, 74,424.51 and 31,283.03

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Solution

The fourth proportional to 53,930.63, 74,424.51 and 31,283.03 is: 43,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.63 : 74,424.51 = 31,283.03 : x
  2. Step 2: Convert to fraction form
    53,930.63/74,424.51 = 31,283.03/x
  3. Step 3: Cross multiply
    53,930.63x = 74,424.51 × 31,283.03
  4. Step 4: Simplify right side
    53,930.63x = 2,328,223,806.94
  5. Step 5: Solve for x
    x = 2,328,223,806.94/53,930.63
  6. Step 6: Final answer
    x = 43,170.72

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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.