Home / 54,921.89-75,795.48-31,050.79

Finding the Fourth Proportional to 54,921.89, 75,795.48 and 31,050.79

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Solution

The fourth proportional to 54,921.89, 75,795.48 and 31,050.79 is: 42,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.89 : 75,795.48 = 31,050.79 : x
  2. Step 2: Convert to fraction form
    54,921.89/75,795.48 = 31,050.79/x
  3. Step 3: Cross multiply
    54,921.89x = 75,795.48 × 31,050.79
  4. Step 4: Simplify right side
    54,921.89x = 2,353,509,342.94
  5. Step 5: Solve for x
    x = 2,353,509,342.94/54,921.89
  6. Step 6: Final answer
    x = 42,851.93

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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.