Finding the Fourth Proportional to 75,228.60, 103,812.36 and 44,996.07
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Solution
The fourth proportional to 75,228.60, 103,812.36 and 44,996.07 is: 62,092.72
Step by Step Solution
- Step 1: Write the proportion equation
75,228.60 : 103,812.36 = 44,996.07 : x - Step 2: Convert to fraction form
75,228.60/103,812.36 = 44,996.07/x - Step 3: Cross multiply
75,228.60x = 103,812.36 × 44,996.07 - Step 4: Simplify right side
75,228.60x = 4,671,148,217.43 - Step 5: Solve for x
x = 4,671,148,217.43/75,228.60 - Step 6: Final answer
x = 62,092.72
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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.