Finding the Fourth Proportional to 86,088.92, 118,802.08 and 48,363.17
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Solution
The fourth proportional to 86,088.92, 118,802.08 and 48,363.17 is: 66,740.82
Step by Step Solution
- Step 1: Write the proportion equation
86,088.92 : 118,802.08 = 48,363.17 : x - Step 2: Convert to fraction form
86,088.92/118,802.08 = 48,363.17/x - Step 3: Cross multiply
86,088.92x = 118,802.08 × 48,363.17 - Step 4: Simplify right side
86,088.92x = 5,745,645,367.49 - Step 5: Solve for x
x = 5,745,645,367.49/86,088.92 - Step 6: Final answer
x = 66,740.82
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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.