Home / 53,964.50-74,471.01-31,608.50

Finding the Fourth Proportional to 53,964.50, 74,471.01 and 31,608.50

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Solution

The fourth proportional to 53,964.50, 74,471.01 and 31,608.50 is: 43,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.50 : 74,471.01 = 31,608.50 : x
  2. Step 2: Convert to fraction form
    53,964.50/74,471.01 = 31,608.50/x
  3. Step 3: Cross multiply
    53,964.50x = 74,471.01 × 31,608.50
  4. Step 4: Simplify right side
    53,964.50x = 2,353,916,919.59
  5. Step 5: Solve for x
    x = 2,353,916,919.59/53,964.50
  6. Step 6: Final answer
    x = 43,619.73

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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.