Home / 77,842.36-107,427.92-44,308.36

Finding the Fourth Proportional to 77,842.36, 107,427.92 and 44,308.36

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Solution

The fourth proportional to 77,842.36, 107,427.92 and 44,308.36 is: 61,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,842.36 : 107,427.92 = 44,308.36 : x
  2. Step 2: Convert to fraction form
    77,842.36/107,427.92 = 44,308.36/x
  3. Step 3: Cross multiply
    77,842.36x = 107,427.92 × 44,308.36
  4. Step 4: Simplify right side
    77,842.36x = 4,759,954,953.41
  5. Step 5: Solve for x
    x = 4,759,954,953.41/77,842.36
  6. Step 6: Final answer
    x = 61,148.65

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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.