Home / 84,965.09-127,439.37-25,801.27

Finding the Fourth Proportional to 84,965.09, 127,439.37 and 25,801.27

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Solution

The fourth proportional to 84,965.09, 127,439.37 and 25,801.27 is: 38,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.09 : 127,439.37 = 25,801.27 : x
  2. Step 2: Convert to fraction form
    84,965.09/127,439.37 = 25,801.27/x
  3. Step 3: Cross multiply
    84,965.09x = 127,439.37 × 25,801.27
  4. Step 4: Simplify right side
    84,965.09x = 3,288,097,275.40
  5. Step 5: Solve for x
    x = 3,288,097,275.40/84,965.09
  6. Step 6: Final answer
    x = 38,699.39

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1.5x scale

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.