Finding the Fourth Proportional to 84,686.27, 116,858.63 and 48,887.81
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Solution
The fourth proportional to 84,686.27, 116,858.63 and 48,887.81 is: 67,460.32
Step by Step Solution
- Step 1: Write the proportion equation
84,686.27 : 116,858.63 = 48,887.81 : x - Step 2: Convert to fraction form
84,686.27/116,858.63 = 48,887.81/x - Step 3: Cross multiply
84,686.27x = 116,858.63 × 48,887.81 - Step 4: Simplify right side
84,686.27x = 5,712,962,500.30 - Step 5: Solve for x
x = 5,712,962,500.30/84,686.27 - Step 6: Final answer
x = 67,460.32
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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.