Finding the Fourth Proportional to 75,369.24, 104,002.56 and 45,154.08
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Solution
The fourth proportional to 75,369.24, 104,002.56 and 45,154.08 is: 62,308.44
Step by Step Solution
- Step 1: Write the proportion equation
75,369.24 : 104,002.56 = 45,154.08 : x - Step 2: Convert to fraction form
75,369.24/104,002.56 = 45,154.08/x - Step 3: Cross multiply
75,369.24x = 104,002.56 × 45,154.08 - Step 4: Simplify right side
75,369.24x = 4,696,139,914.44 - Step 5: Solve for x
x = 4,696,139,914.44/75,369.24 - Step 6: Final answer
x = 62,308.44
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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.