Finding the Fourth Proportional to 75,802.62, 104,617.30 and 63,033.84
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Solution
The fourth proportional to 75,802.62, 104,617.30 and 63,033.84 is: 86,994.75
Step by Step Solution
- Step 1: Write the proportion equation
75,802.62 : 104,617.30 = 63,033.84 : x - Step 2: Convert to fraction form
75,802.62/104,617.30 = 63,033.84/x - Step 3: Cross multiply
75,802.62x = 104,617.30 × 63,033.84 - Step 4: Simplify right side
75,802.62x = 6,594,430,149.43 - Step 5: Solve for x
x = 6,594,430,149.43/75,802.62 - Step 6: Final answer
x = 86,994.75
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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.