Home / 77,895.18-116,795.97-30,453.75

Finding the Fourth Proportional to 77,895.18, 116,795.97 and 30,453.75

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Solution

The fourth proportional to 77,895.18, 116,795.97 and 30,453.75 is: 45,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895.18 : 116,795.97 = 30,453.75 : x
  2. Step 2: Convert to fraction form
    77,895.18/116,795.97 = 30,453.75/x
  3. Step 3: Cross multiply
    77,895.18x = 116,795.97 × 30,453.75
  4. Step 4: Simplify right side
    77,895.18x = 3,556,875,271.39
  5. Step 5: Solve for x
    x = 3,556,875,271.39/77,895.18
  6. Step 6: Final answer
    x = 45,662.33

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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.