Home / 55,806.62-77,013.70-30,313.23

Finding the Fourth Proportional to 55,806.62, 77,013.70 and 30,313.23

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Solution

The fourth proportional to 55,806.62, 77,013.70 and 30,313.23 is: 41,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.62 : 77,013.70 = 30,313.23 : x
  2. Step 2: Convert to fraction form
    55,806.62/77,013.70 = 30,313.23/x
  3. Step 3: Cross multiply
    55,806.62x = 77,013.70 × 30,313.23
  4. Step 4: Simplify right side
    55,806.62x = 2,334,534,001.25
  5. Step 5: Solve for x
    x = 2,334,534,001.25/55,806.62
  6. Step 6: Final answer
    x = 41,832.56

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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.