Home / 47,078.70-64,964.48-27,957.03

Finding the Fourth Proportional to 47,078.70, 64,964.48 and 27,957.03

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Solution

The fourth proportional to 47,078.70, 64,964.48 and 27,957.03 is: 38,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.70 : 64,964.48 = 27,957.03 : x
  2. Step 2: Convert to fraction form
    47,078.70/64,964.48 = 27,957.03/x
  3. Step 3: Cross multiply
    47,078.70x = 64,964.48 × 27,957.03
  4. Step 4: Simplify right side
    47,078.70x = 1,816,213,776.51
  5. Step 5: Solve for x
    x = 1,816,213,776.51/47,078.70
  6. Step 6: Final answer
    x = 38,578.25

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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.