Finding the Fourth Proportional to 106,006.98, 159,009.66 and 27,121.08
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Solution
The fourth proportional to 106,006.98, 159,009.66 and 27,121.08 is: 40,681.41
Step by Step Solution
- Step 1: Write the proportion equation
106,006.98 : 159,009.66 = 27,121.08 : x - Step 2: Convert to fraction form
106,006.98/159,009.66 = 27,121.08/x - Step 3: Cross multiply
106,006.98x = 159,009.66 × 27,121.08 - Step 4: Simplify right side
106,006.98x = 4,312,513,709.63 - Step 5: Solve for x
x = 4,312,513,709.63/106,006.98 - Step 6: Final answer
x = 40,681.41
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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.