Home / 53,890.94-74,369.51-31,243.06

Finding the Fourth Proportional to 53,890.94, 74,369.51 and 31,243.06

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Solution

The fourth proportional to 53,890.94, 74,369.51 and 31,243.06 is: 43,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.94 : 74,369.51 = 31,243.06 : x
  2. Step 2: Convert to fraction form
    53,890.94/74,369.51 = 31,243.06/x
  3. Step 3: Cross multiply
    53,890.94x = 74,369.51 × 31,243.06
  4. Step 4: Simplify right side
    53,890.94x = 2,323,531,063.10
  5. Step 5: Solve for x
    x = 2,323,531,063.10/53,890.94
  6. Step 6: Final answer
    x = 43,115.43

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1.5x scale

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.