Finding the Fourth Proportional to 89,894.41, 124,578.68 and 88,625.95
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Solution
The fourth proportional to 89,894.41, 124,578.68 and 88,625.95 is: 122,820.81
Step by Step Solution
- Step 1: Write the proportion equation
89,894.41 : 124,578.68 = 88,625.95 : x - Step 2: Convert to fraction form
89,894.41/124,578.68 = 88,625.95/x - Step 3: Cross multiply
89,894.41x = 124,578.68 × 88,625.95 - Step 4: Simplify right side
89,894.41x = 11,040,903,864.75 - Step 5: Solve for x
x = 11,040,903,864.75/89,894.41 - Step 6: Final answer
x = 122,820.81
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.