Finding the Fourth Proportional to 86,266.14, 118,998.54 and 51,802.08
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Solution
The fourth proportional to 86,266.14, 118,998.54 and 51,802.08 is: 71,457.61
Step by Step Solution
- Step 1: Write the proportion equation
86,266.14 : 118,998.54 = 51,802.08 : x - Step 2: Convert to fraction form
86,266.14/118,998.54 = 51,802.08/x - Step 3: Cross multiply
86,266.14x = 118,998.54 × 51,802.08 - Step 4: Simplify right side
86,266.14x = 6,164,371,888.96 - Step 5: Solve for x
x = 6,164,371,888.96/86,266.14 - Step 6: Final answer
x = 71,457.61
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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.