Finding the Fourth Proportional to 75,038.41, 112,572.68 and 27,653.75
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Solution
The fourth proportional to 75,038.41, 112,572.68 and 27,653.75 is: 41,486.18
Step by Step Solution
- Step 1: Write the proportion equation
75,038.41 : 112,572.68 = 27,653.75 : x - Step 2: Convert to fraction form
75,038.41/112,572.68 = 27,653.75/x - Step 3: Cross multiply
75,038.41x = 112,572.68 × 27,653.75 - Step 4: Simplify right side
75,038.41x = 3,113,056,755.61 - Step 5: Solve for x
x = 3,113,056,755.61/75,038.41 - Step 6: Final answer
x = 41,486.18
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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.