Home / 84,348.36-126,527.94-31,054.68

Finding the Fourth Proportional to 84,348.36, 126,527.94 and 31,054.68

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Solution

The fourth proportional to 84,348.36, 126,527.94 and 31,054.68 is: 46,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,348.36 : 126,527.94 = 31,054.68 : x
  2. Step 2: Convert to fraction form
    84,348.36/126,527.94 = 31,054.68/x
  3. Step 3: Cross multiply
    84,348.36x = 126,527.94 × 31,054.68
  4. Step 4: Simplify right side
    84,348.36x = 3,929,284,687.76
  5. Step 5: Solve for x
    x = 3,929,284,687.76/84,348.36
  6. Step 6: Final answer
    x = 46,584.01

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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.