Finding the Fourth Proportional to 75,130.10, 103,669.36 and 44,909
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Solution
The fourth proportional to 75,130.10, 103,669.36 and 44,909 is: 61,968.34
Step by Step Solution
- Step 1: Write the proportion equation
75,130.10 : 103,669.36 = 44,909 : x - Step 2: Convert to fraction form
75,130.10/103,669.36 = 44,909/x - Step 3: Cross multiply
75,130.10x = 103,669.36 × 44,909 - Step 4: Simplify right side
75,130.10x = 4,655,687,288.24 - Step 5: Solve for x
x = 4,655,687,288.24/75,130.10 - Step 6: Final answer
x = 61,968.34
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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.