Home / 54,975.65-75,866.40-31,101.84

Finding the Fourth Proportional to 54,975.65, 75,866.40 and 31,101.84

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Solution

The fourth proportional to 54,975.65, 75,866.40 and 31,101.84 is: 42,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.65 : 75,866.40 = 31,101.84 : x
  2. Step 2: Convert to fraction form
    54,975.65/75,866.40 = 31,101.84/x
  3. Step 3: Cross multiply
    54,975.65x = 75,866.40 × 31,101.84
  4. Step 4: Simplify right side
    54,975.65x = 2,359,584,634.18
  5. Step 5: Solve for x
    x = 2,359,584,634.18/54,975.65
  6. Step 6: Final answer
    x = 42,920.54

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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.