Finding the Fourth Proportional to 84,811.09, 127,098.93 and 37,355.02
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Solution
The fourth proportional to 84,811.09, 127,098.93 and 37,355.02 is: 55,980.69
Step by Step Solution
- Step 1: Write the proportion equation
84,811.09 : 127,098.93 = 37,355.02 : x - Step 2: Convert to fraction form
84,811.09/127,098.93 = 37,355.02/x - Step 3: Cross multiply
84,811.09x = 127,098.93 × 37,355.02 - Step 4: Simplify right side
84,811.09x = 4,747,783,072.13 - Step 5: Solve for x
x = 4,747,783,072.13/84,811.09 - Step 6: Final answer
x = 55,980.69
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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.