Finding the Fourth Proportional to 88,325.09, 121,887.43 and 48,037.99
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Solution
The fourth proportional to 88,325.09, 121,887.43 and 48,037.99 is: 66,291.78
Step by Step Solution
- Step 1: Write the proportion equation
88,325.09 : 121,887.43 = 48,037.99 : x - Step 2: Convert to fraction form
88,325.09/121,887.43 = 48,037.99/x - Step 3: Cross multiply
88,325.09x = 121,887.43 × 48,037.99 - Step 4: Simplify right side
88,325.09x = 5,855,227,143.47 - Step 5: Solve for x
x = 5,855,227,143.47/88,325.09 - Step 6: Final answer
x = 66,291.78
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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.