Home / 54,913.41-75,779.69-31,039.25

Finding the Fourth Proportional to 54,913.41, 75,779.69 and 31,039.25

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Solution

The fourth proportional to 54,913.41, 75,779.69 and 31,039.25 is: 42,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.41 : 75,779.69 = 31,039.25 : x
  2. Step 2: Convert to fraction form
    54,913.41/75,779.69 = 31,039.25/x
  3. Step 3: Cross multiply
    54,913.41x = 75,779.69 × 31,039.25
  4. Step 4: Simplify right side
    54,913.41x = 2,352,144,208.74
  5. Step 5: Solve for x
    x = 2,352,144,208.74/54,913.41
  6. Step 6: Final answer
    x = 42,833.69

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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.