Home / 52,063.39-78,039.80-27,078.43

Finding the Fourth Proportional to 52,063.39, 78,039.80 and 27,078.43

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Solution

The fourth proportional to 52,063.39, 78,039.80 and 27,078.43 is: 40,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.39 : 78,039.80 = 27,078.43 : x
  2. Step 2: Convert to fraction form
    52,063.39/78,039.80 = 27,078.43/x
  3. Step 3: Cross multiply
    52,063.39x = 78,039.80 × 27,078.43
  4. Step 4: Simplify right side
    52,063.39x = 2,113,195,261.51
  5. Step 5: Solve for x
    x = 2,113,195,261.51/52,063.39
  6. Step 6: Final answer
    x = 40,588.89

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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.