Home / 84,968.10-127,443.87-25,804.26

Finding the Fourth Proportional to 84,968.10, 127,443.87 and 25,804.26

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Solution

The fourth proportional to 84,968.10, 127,443.87 and 25,804.26 is: 38,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968.10 : 127,443.87 = 25,804.26 : x
  2. Step 2: Convert to fraction form
    84,968.10/127,443.87 = 25,804.26/x
  3. Step 3: Cross multiply
    84,968.10x = 127,443.87 × 25,804.26
  4. Step 4: Simplify right side
    84,968.10x = 3,288,594,756.89
  5. Step 5: Solve for x
    x = 3,288,594,756.89/84,968.10
  6. Step 6: Final answer
    x = 38,703.88

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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.