Finding the Fourth Proportional to 75,459.34, 104,104.06 and 48,617.52
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Solution
The fourth proportional to 75,459.34, 104,104.06 and 48,617.52 is: 67,072.96
Step by Step Solution
- Step 1: Write the proportion equation
75,459.34 : 104,104.06 = 48,617.52 : x - Step 2: Convert to fraction form
75,459.34/104,104.06 = 48,617.52/x - Step 3: Cross multiply
75,459.34x = 104,104.06 × 48,617.52 - Step 4: Simplify right side
75,459.34x = 5,061,281,219.13 - Step 5: Solve for x
x = 5,061,281,219.13/75,459.34 - Step 6: Final answer
x = 67,072.96
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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.