Home / 53,744.86-74,162.55-31,082.14

Finding the Fourth Proportional to 53,744.86, 74,162.55 and 31,082.14

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Solution

The fourth proportional to 53,744.86, 74,162.55 and 31,082.14 is: 42,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.86 : 74,162.55 = 31,082.14 : x
  2. Step 2: Convert to fraction form
    53,744.86/74,162.55 = 31,082.14/x
  3. Step 3: Cross multiply
    53,744.86x = 74,162.55 × 31,082.14
  4. Step 4: Simplify right side
    53,744.86x = 2,305,130,761.86
  5. Step 5: Solve for x
    x = 2,305,130,761.86/53,744.86
  6. Step 6: Final answer
    x = 42,890.26

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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.