Finding the Fourth Proportional to 84,141.84, 116,116.12 and 46,416.08
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Solution
The fourth proportional to 84,141.84, 116,116.12 and 46,416.08 is: 64,054.40
Step by Step Solution
- Step 1: Write the proportion equation
84,141.84 : 116,116.12 = 46,416.08 : x - Step 2: Convert to fraction form
84,141.84/116,116.12 = 46,416.08/x - Step 3: Cross multiply
84,141.84x = 116,116.12 × 46,416.08 - Step 4: Simplify right side
84,141.84x = 5,389,655,115.21 - Step 5: Solve for x
x = 5,389,655,115.21/84,141.84 - Step 6: Final answer
x = 64,054.40
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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.