Home / 84,945.33-127,422.86-25,782.93

Finding the Fourth Proportional to 84,945.33, 127,422.86 and 25,782.93

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Solution

The fourth proportional to 84,945.33, 127,422.86 and 25,782.93 is: 38,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.33 : 127,422.86 = 25,782.93 : x
  2. Step 2: Convert to fraction form
    84,945.33/127,422.86 = 25,782.93/x
  3. Step 3: Cross multiply
    84,945.33x = 127,422.86 × 25,782.93
  4. Step 4: Simplify right side
    84,945.33x = 3,285,334,550.87
  5. Step 5: Solve for x
    x = 3,285,334,550.87/84,945.33
  6. Step 6: Final answer
    x = 38,675.87

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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.