Home / 55,816.93-77,028.75-31,951.30

Finding the Fourth Proportional to 55,816.93, 77,028.75 and 31,951.30

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Solution

The fourth proportional to 55,816.93, 77,028.75 and 31,951.30 is: 44,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.93 : 77,028.75 = 31,951.30 : x
  2. Step 2: Convert to fraction form
    55,816.93/77,028.75 = 31,951.30/x
  3. Step 3: Cross multiply
    55,816.93x = 77,028.75 × 31,951.30
  4. Step 4: Simplify right side
    55,816.93x = 2,461,168,699.88
  5. Step 5: Solve for x
    x = 2,461,168,699.88/55,816.93
  6. Step 6: Final answer
    x = 44,093.59

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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.