Home / 84,973.05-127,477.80-25,814.70

Finding the Fourth Proportional to 84,973.05, 127,477.80 and 25,814.70

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Solution

The fourth proportional to 84,973.05, 127,477.80 and 25,814.70 is: 38,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,973.05 : 127,477.80 = 25,814.70 : x
  2. Step 2: Convert to fraction form
    84,973.05/127,477.80 = 25,814.70/x
  3. Step 3: Cross multiply
    84,973.05x = 127,477.80 × 25,814.70
  4. Step 4: Simplify right side
    84,973.05x = 3,290,801,163.66
  5. Step 5: Solve for x
    x = 3,290,801,163.66/84,973.05
  6. Step 6: Final answer
    x = 38,727.59

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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.