Finding the Fourth Proportional to 73,747.98, 101,780.98 and 41,921.68
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Solution
The fourth proportional to 73,747.98, 101,780.98 and 41,921.68 is: 57,856.90
Step by Step Solution
- Step 1: Write the proportion equation
73,747.98 : 101,780.98 = 41,921.68 : x - Step 2: Convert to fraction form
73,747.98/101,780.98 = 41,921.68/x - Step 3: Cross multiply
73,747.98x = 101,780.98 × 41,921.68 - Step 4: Simplify right side
73,747.98x = 4,266,829,673.65 - Step 5: Solve for x
x = 4,266,829,673.65/73,747.98 - Step 6: Final answer
x = 57,856.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.