Finding the Fourth Proportional to 73,750.68, 101,775.84 and 41,919.60
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Solution
The fourth proportional to 73,750.68, 101,775.84 and 41,919.60 is: 57,848.99
Step by Step Solution
- Step 1: Write the proportion equation
73,750.68 : 101,775.84 = 41,919.60 : x - Step 2: Convert to fraction form
73,750.68/101,775.84 = 41,919.60/x - Step 3: Cross multiply
73,750.68x = 101,775.84 × 41,919.60 - Step 4: Simplify right side
73,750.68x = 4,266,402,502.46 - Step 5: Solve for x
x = 4,266,402,502.46/73,750.68 - Step 6: Final answer
x = 57,848.99
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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.