Home / 84,954.35-127,423.32-25,790.54

Finding the Fourth Proportional to 84,954.35, 127,423.32 and 25,790.54

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Solution

The fourth proportional to 84,954.35, 127,423.32 and 25,790.54 is: 38,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.35 : 127,423.32 = 25,790.54 : x
  2. Step 2: Convert to fraction form
    84,954.35/127,423.32 = 25,790.54/x
  3. Step 3: Cross multiply
    84,954.35x = 127,423.32 × 25,790.54
  4. Step 4: Simplify right side
    84,954.35x = 3,286,315,594.28
  5. Step 5: Solve for x
    x = 3,286,315,594.28/84,954.35
  6. Step 6: Final answer
    x = 38,683.31

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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.