Home / 77,383.31-116,074.97-61,899.35

Finding the Fourth Proportional to 77,383.31, 116,074.97 and 61,899.35

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Solution

The fourth proportional to 77,383.31, 116,074.97 and 61,899.35 is: 92,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,383.31 : 116,074.97 = 61,899.35 : x
  2. Step 2: Convert to fraction form
    77,383.31/116,074.97 = 61,899.35/x
  3. Step 3: Cross multiply
    77,383.31x = 116,074.97 × 61,899.35
  4. Step 4: Simplify right side
    77,383.31x = 7,184,964,884.77
  5. Step 5: Solve for x
    x = 7,184,964,884.77/77,383.31
  6. Step 6: Final answer
    x = 92,849.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.