Home / 77,848.69-107,408.96-43,845.28

Finding the Fourth Proportional to 77,848.69, 107,408.96 and 43,845.28

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Solution

The fourth proportional to 77,848.69, 107,408.96 and 43,845.28 is: 60,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.69 : 107,408.96 = 43,845.28 : x
  2. Step 2: Convert to fraction form
    77,848.69/107,408.96 = 43,845.28/x
  3. Step 3: Cross multiply
    77,848.69x = 107,408.96 × 43,845.28
  4. Step 4: Simplify right side
    77,848.69x = 4,709,375,925.71
  5. Step 5: Solve for x
    x = 4,709,375,925.71/77,848.69
  6. Step 6: Final answer
    x = 60,493.96

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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.