Home / 84,708.19-127,073.99-28,564.37

Finding the Fourth Proportional to 84,708.19, 127,073.99 and 28,564.37

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Solution

The fourth proportional to 84,708.19, 127,073.99 and 28,564.37 is: 42,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,708.19 : 127,073.99 = 28,564.37 : x
  2. Step 2: Convert to fraction form
    84,708.19/127,073.99 = 28,564.37/x
  3. Step 3: Cross multiply
    84,708.19x = 127,073.99 × 28,564.37
  4. Step 4: Simplify right side
    84,708.19x = 3,629,788,856.83
  5. Step 5: Solve for x
    x = 3,629,788,856.83/84,708.19
  6. Step 6: Final answer
    x = 42,850.51

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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.