Home / 84,946.57-127,420.26-25,782.75

Finding the Fourth Proportional to 84,946.57, 127,420.26 and 25,782.75

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Solution

The fourth proportional to 84,946.57, 127,420.26 and 25,782.75 is: 38,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.57 : 127,420.26 = 25,782.75 : x
  2. Step 2: Convert to fraction form
    84,946.57/127,420.26 = 25,782.75/x
  3. Step 3: Cross multiply
    84,946.57x = 127,420.26 × 25,782.75
  4. Step 4: Simplify right side
    84,946.57x = 3,285,244,708.52
  5. Step 5: Solve for x
    x = 3,285,244,708.52/84,946.57
  6. Step 6: Final answer
    x = 38,674.25

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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.