Home / 84,735.18-127,103.74-25,571.36

Finding the Fourth Proportional to 84,735.18, 127,103.74 and 25,571.36

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Solution

The fourth proportional to 84,735.18, 127,103.74 and 25,571.36 is: 38,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.18 : 127,103.74 = 25,571.36 : x
  2. Step 2: Convert to fraction form
    84,735.18/127,103.74 = 25,571.36/x
  3. Step 3: Cross multiply
    84,735.18x = 127,103.74 × 25,571.36
  4. Step 4: Simplify right side
    84,735.18x = 3,250,215,492.89
  5. Step 5: Solve for x
    x = 3,250,215,492.89/84,735.18
  6. Step 6: Final answer
    x = 38,357.33

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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.