Finding the Fourth Proportional to 84,579.18, 116,731.70 and 48,762.19
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Solution
The fourth proportional to 84,579.18, 116,731.70 and 48,762.19 is: 67,298.99
Step by Step Solution
- Step 1: Write the proportion equation
84,579.18 : 116,731.70 = 48,762.19 : x - Step 2: Convert to fraction form
84,579.18/116,731.70 = 48,762.19/x - Step 3: Cross multiply
84,579.18x = 116,731.70 × 48,762.19 - Step 4: Simplify right side
84,579.18x = 5,692,093,334.42 - Step 5: Solve for x
x = 5,692,093,334.42/84,579.18 - Step 6: Final answer
x = 67,298.99
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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.