Finding the Fourth Proportional to 75,008.07, 103,462.36 and 48,107.97
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Solution
The fourth proportional to 75,008.07, 103,462.36 and 48,107.97 is: 66,357.71
Step by Step Solution
- Step 1: Write the proportion equation
75,008.07 : 103,462.36 = 48,107.97 : x - Step 2: Convert to fraction form
75,008.07/103,462.36 = 48,107.97/x - Step 3: Cross multiply
75,008.07x = 103,462.36 × 48,107.97 - Step 4: Simplify right side
75,008.07x = 4,977,363,852.35 - Step 5: Solve for x
x = 4,977,363,852.35/75,008.07 - Step 6: Final answer
x = 66,357.71
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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.