Home / 57,054.69-78,708.94-36,918.06

Finding the Fourth Proportional to 57,054.69, 78,708.94 and 36,918.06

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Solution

The fourth proportional to 57,054.69, 78,708.94 and 36,918.06 is: 50,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.69 : 78,708.94 = 36,918.06 : x
  2. Step 2: Convert to fraction form
    57,054.69/78,708.94 = 36,918.06/x
  3. Step 3: Cross multiply
    57,054.69x = 78,708.94 × 36,918.06
  4. Step 4: Simplify right side
    57,054.69x = 2,905,781,566.23
  5. Step 5: Solve for x
    x = 2,905,781,566.23/57,054.69
  6. Step 6: Final answer
    x = 50,929.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.