Finding the Fourth Proportional to 75,004.68, 103,460.58 and 51,142.44
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Solution
The fourth proportional to 75,004.68, 103,460.58 and 51,142.44 is: 70,545.28
Step by Step Solution
- Step 1: Write the proportion equation
75,004.68 : 103,460.58 = 51,142.44 : x - Step 2: Convert to fraction form
75,004.68/103,460.58 = 51,142.44/x - Step 3: Cross multiply
75,004.68x = 103,460.58 × 51,142.44 - Step 4: Simplify right side
75,004.68x = 5,291,226,505.02 - Step 5: Solve for x
x = 5,291,226,505.02/75,004.68 - Step 6: Final answer
x = 70,545.28
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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.