Home / 77,971.11-116,971.08-24,676.50

Finding the Fourth Proportional to 77,971.11, 116,971.08 and 24,676.50

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Solution

The fourth proportional to 77,971.11, 116,971.08 and 24,676.50 is: 37,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,971.11 : 116,971.08 = 24,676.50 : x
  2. Step 2: Convert to fraction form
    77,971.11/116,971.08 = 24,676.50/x
  3. Step 3: Cross multiply
    77,971.11x = 116,971.08 × 24,676.50
  4. Step 4: Simplify right side
    77,971.11x = 2,886,436,855.62
  5. Step 5: Solve for x
    x = 2,886,436,855.62/77,971.11
  6. Step 6: Final answer
    x = 37,019.31

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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.