Finding the Fourth Proportional to 86,813.76, 119,808.93 and 48,576.94
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Solution
The fourth proportional to 86,813.76, 119,808.93 and 48,576.94 is: 67,039.50
Step by Step Solution
- Step 1: Write the proportion equation
86,813.76 : 119,808.93 = 48,576.94 : x - Step 2: Convert to fraction form
86,813.76/119,808.93 = 48,576.94/x - Step 3: Cross multiply
86,813.76x = 119,808.93 × 48,576.94 - Step 4: Simplify right side
86,813.76x = 5,819,950,904.55 - Step 5: Solve for x
x = 5,819,950,904.55/86,813.76 - Step 6: Final answer
x = 67,039.50
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1.5x scale
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.