Finding the Fourth Proportional to 71,348.58, 106,939.98 and 26,947.08
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Solution
The fourth proportional to 71,348.58, 106,939.98 and 26,947.08 is: 40,389.31
Step by Step Solution
- Step 1: Write the proportion equation
71,348.58 : 106,939.98 = 26,947.08 : x - Step 2: Convert to fraction form
71,348.58/106,939.98 = 26,947.08/x - Step 3: Cross multiply
71,348.58x = 106,939.98 × 26,947.08 - Step 4: Simplify right side
71,348.58x = 2,881,720,196.26 - Step 5: Solve for x
x = 2,881,720,196.26/71,348.58 - Step 6: Final answer
x = 40,389.31
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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.