Finding the Fourth Proportional to 87,417.24, 120,690.99 and 60,550.08
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Solution
The fourth proportional to 87,417.24, 120,690.99 and 60,550.08 is: 83,597.34
Step by Step Solution
- Step 1: Write the proportion equation
87,417.24 : 120,690.99 = 60,550.08 : x - Step 2: Convert to fraction form
87,417.24/120,690.99 = 60,550.08/x - Step 3: Cross multiply
87,417.24x = 120,690.99 × 60,550.08 - Step 4: Simplify right side
87,417.24x = 7,307,849,099.78 - Step 5: Solve for x
x = 7,307,849,099.78/87,417.24 - Step 6: Final answer
x = 83,597.34
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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.