Home / 53,903.04-74,387.01-31,243.64

Finding the Fourth Proportional to 53,903.04, 74,387.01 and 31,243.64

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Solution

The fourth proportional to 53,903.04, 74,387.01 and 31,243.64 is: 43,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.04 : 74,387.01 = 31,243.64 : x
  2. Step 2: Convert to fraction form
    53,903.04/74,387.01 = 31,243.64/x
  3. Step 3: Cross multiply
    53,903.04x = 74,387.01 × 31,243.64
  4. Step 4: Simplify right side
    53,903.04x = 2,324,120,589.18
  5. Step 5: Solve for x
    x = 2,324,120,589.18/53,903.04
  6. Step 6: Final answer
    x = 43,116.69

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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.