Home / 84,926.58-127,389.92-83,530.34

Finding the Fourth Proportional to 84,926.58, 127,389.92 and 83,530.34

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Solution

The fourth proportional to 84,926.58, 127,389.92 and 83,530.34 is: 125,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.58 : 127,389.92 = 83,530.34 : x
  2. Step 2: Convert to fraction form
    84,926.58/127,389.92 = 83,530.34/x
  3. Step 3: Cross multiply
    84,926.58x = 127,389.92 × 83,530.34
  4. Step 4: Simplify right side
    84,926.58x = 10,640,922,753.28
  5. Step 5: Solve for x
    x = 10,640,922,753.28/84,926.58
  6. Step 6: Final answer
    x = 125,295.56

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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.