Finding the Fourth Proportional to 75,737.84, 104,518.50 and 42,203.84
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Solution
The fourth proportional to 75,737.84, 104,518.50 and 42,203.84 is: 58,241.46
Step by Step Solution
- Step 1: Write the proportion equation
75,737.84 : 104,518.50 = 42,203.84 : x - Step 2: Convert to fraction form
75,737.84/104,518.50 = 42,203.84/x - Step 3: Cross multiply
75,737.84x = 104,518.50 × 42,203.84 - Step 4: Simplify right side
75,737.84x = 4,411,082,051.04 - Step 5: Solve for x
x = 4,411,082,051.04/75,737.84 - Step 6: Final answer
x = 58,241.46
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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.