Home / 77,814.67-107,383.08-43,823.25

Finding the Fourth Proportional to 77,814.67, 107,383.08 and 43,823.25

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Solution

The fourth proportional to 77,814.67, 107,383.08 and 43,823.25 is: 60,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.67 : 107,383.08 = 43,823.25 : x
  2. Step 2: Convert to fraction form
    77,814.67/107,383.08 = 43,823.25/x
  3. Step 3: Cross multiply
    77,814.67x = 107,383.08 × 43,823.25
  4. Step 4: Simplify right side
    77,814.67x = 4,705,875,560.61
  5. Step 5: Solve for x
    x = 4,705,875,560.61/77,814.67
  6. Step 6: Final answer
    x = 60,475.43

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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.