Finding the Fourth Proportional to 75,775.86, 113,762.21 and 58,257.99
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Solution
The fourth proportional to 75,775.86, 113,762.21 and 58,257.99 is: 87,462.65
Step by Step Solution
- Step 1: Write the proportion equation
75,775.86 : 113,762.21 = 58,257.99 : x - Step 2: Convert to fraction form
75,775.86/113,762.21 = 58,257.99/x - Step 3: Cross multiply
75,775.86x = 113,762.21 × 58,257.99 - Step 4: Simplify right side
75,775.86x = 6,627,557,401.27 - Step 5: Solve for x
x = 6,627,557,401.27/75,775.86 - Step 6: Final answer
x = 87,462.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.