Finding the Fourth Proportional to 84,356.46, 116,408.36 and 48,547.70
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Solution
The fourth proportional to 84,356.46, 116,408.36 and 48,547.70 is: 66,993.78
Step by Step Solution
- Step 1: Write the proportion equation
84,356.46 : 116,408.36 = 48,547.70 : x - Step 2: Convert to fraction form
84,356.46/116,408.36 = 48,547.70/x - Step 3: Cross multiply
84,356.46x = 116,408.36 × 48,547.70 - Step 4: Simplify right side
84,356.46x = 5,651,358,138.77 - Step 5: Solve for x
x = 5,651,358,138.77/84,356.46 - Step 6: Final answer
x = 66,993.78
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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.