Home / 84,933.72-127,400.58-38,131.92

Finding the Fourth Proportional to 84,933.72, 127,400.58 and 38,131.92

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Solution

The fourth proportional to 84,933.72, 127,400.58 and 38,131.92 is: 57,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.72 : 127,400.58 = 38,131.92 : x
  2. Step 2: Convert to fraction form
    84,933.72/127,400.58 = 38,131.92/x
  3. Step 3: Cross multiply
    84,933.72x = 127,400.58 × 38,131.92
  4. Step 4: Simplify right side
    84,933.72x = 4,858,028,724.51
  5. Step 5: Solve for x
    x = 4,858,028,724.51/84,933.72
  6. Step 6: Final answer
    x = 57,197.88

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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.