Finding the Fourth Proportional to 86,476.16, 119,316.70 and 52,483.84
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Solution
The fourth proportional to 86,476.16, 119,316.70 and 52,483.84 is: 72,415.32
Step by Step Solution
- Step 1: Write the proportion equation
86,476.16 : 119,316.70 = 52,483.84 : x - Step 2: Convert to fraction form
86,476.16/119,316.70 = 52,483.84/x - Step 3: Cross multiply
86,476.16x = 119,316.70 × 52,483.84 - Step 4: Simplify right side
86,476.16x = 6,262,198,592.13 - Step 5: Solve for x
x = 6,262,198,592.13/86,476.16 - Step 6: Final answer
x = 72,415.32
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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.