Home / 77,782.29-116,675.73-30,395.46

Finding the Fourth Proportional to 77,782.29, 116,675.73 and 30,395.46

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Solution

The fourth proportional to 77,782.29, 116,675.73 and 30,395.46 is: 45,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,782.29 : 116,675.73 = 30,395.46 : x
  2. Step 2: Convert to fraction form
    77,782.29/116,675.73 = 30,395.46/x
  3. Step 3: Cross multiply
    77,782.29x = 116,675.73 × 30,395.46
  4. Step 4: Simplify right side
    77,782.29x = 3,546,412,921.72
  5. Step 5: Solve for x
    x = 3,546,412,921.72/77,782.29
  6. Step 6: Final answer
    x = 45,594.09

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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.