Finding the Fourth Proportional to 75,337.30, 103,977.09 and 43,503.70
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Solution
The fourth proportional to 75,337.30, 103,977.09 and 43,503.70 is: 60,041.81
Step by Step Solution
- Step 1: Write the proportion equation
75,337.30 : 103,977.09 = 43,503.70 : x - Step 2: Convert to fraction form
75,337.30/103,977.09 = 43,503.70/x - Step 3: Cross multiply
75,337.30x = 103,977.09 × 43,503.70 - Step 4: Simplify right side
75,337.30x = 4,523,388,130.23 - Step 5: Solve for x
x = 4,523,388,130.23/75,337.30 - Step 6: Final answer
x = 60,041.81
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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.