Finding the Fourth Proportional to 72,617.73, 108,926.67 and 22,698.09
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Solution
The fourth proportional to 72,617.73, 108,926.67 and 22,698.09 is: 34,047.16
Step by Step Solution
- Step 1: Write the proportion equation
72,617.73 : 108,926.67 = 22,698.09 : x - Step 2: Convert to fraction form
72,617.73/108,926.67 = 22,698.09/x - Step 3: Cross multiply
72,617.73x = 108,926.67 × 22,698.09 - Step 4: Simplify right side
72,617.73x = 2,472,427,359.06 - Step 5: Solve for x
x = 2,472,427,359.06/72,617.73 - Step 6: Final answer
x = 34,047.16
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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.