Home / 53,846.40-74,301.30-31,185.03

Finding the Fourth Proportional to 53,846.40, 74,301.30 and 31,185.03

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Solution

The fourth proportional to 53,846.40, 74,301.30 and 31,185.03 is: 43,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,846.40 : 74,301.30 = 31,185.03 : x
  2. Step 2: Convert to fraction form
    53,846.40/74,301.30 = 31,185.03/x
  3. Step 3: Cross multiply
    53,846.40x = 74,301.30 × 31,185.03
  4. Step 4: Simplify right side
    53,846.40x = 2,317,088,269.54
  5. Step 5: Solve for x
    x = 2,317,088,269.54/53,846.40
  6. Step 6: Final answer
    x = 43,031.44

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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.