Home / 77,284.94-115,906-27,358.46

Finding the Fourth Proportional to 77,284.94, 115,906 and 27,358.46

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Solution

The fourth proportional to 77,284.94, 115,906 and 27,358.46 is: 41,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,284.94 : 115,906 = 27,358.46 : x
  2. Step 2: Convert to fraction form
    77,284.94/115,906 = 27,358.46/x
  3. Step 3: Cross multiply
    77,284.94x = 115,906 × 27,358.46
  4. Step 4: Simplify right side
    77,284.94x = 3,171,009,664.76
  5. Step 5: Solve for x
    x = 3,171,009,664.76/77,284.94
  6. Step 6: Final answer
    x = 41,030.11

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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.