Home / 53,744.18-74,168.50-31,081.01

Finding the Fourth Proportional to 53,744.18, 74,168.50 and 31,081.01

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Solution

The fourth proportional to 53,744.18, 74,168.50 and 31,081.01 is: 42,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.18 : 74,168.50 = 31,081.01 : x
  2. Step 2: Convert to fraction form
    53,744.18/74,168.50 = 31,081.01/x
  3. Step 3: Cross multiply
    53,744.18x = 74,168.50 × 31,081.01
  4. Step 4: Simplify right side
    53,744.18x = 2,305,231,890.19
  5. Step 5: Solve for x
    x = 2,305,231,890.19/53,744.18
  6. Step 6: Final answer
    x = 42,892.68

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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.