Finding the Fourth Proportional to 75,106.14, 103,639.44 and 44,885.46
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Solution
The fourth proportional to 75,106.14, 103,639.44 and 44,885.46 is: 61,937.73
Step by Step Solution
- Step 1: Write the proportion equation
75,106.14 : 103,639.44 = 44,885.46 : x - Step 2: Convert to fraction form
75,106.14/103,639.44 = 44,885.46/x - Step 3: Cross multiply
75,106.14x = 103,639.44 × 44,885.46 - Step 4: Simplify right side
75,106.14x = 4,651,903,938.54 - Step 5: Solve for x
x = 4,651,903,938.54/75,106.14 - Step 6: Final answer
x = 61,937.73
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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.