Finding the Fourth Proportional to 102,903.36, 141,902.28 and 62,577.84
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Solution
The fourth proportional to 102,903.36, 141,902.28 and 62,577.84 is: 86,293.96
Step by Step Solution
- Step 1: Write the proportion equation
102,903.36 : 141,902.28 = 62,577.84 : x - Step 2: Convert to fraction form
102,903.36/141,902.28 = 62,577.84/x - Step 3: Cross multiply
102,903.36x = 141,902.28 × 62,577.84 - Step 4: Simplify right side
102,903.36x = 8,879,938,173.48 - Step 5: Solve for x
x = 8,879,938,173.48/102,903.36 - Step 6: Final answer
x = 86,293.96
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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.