Finding the Fourth Proportional to 86,240.79, 119,028.71 and 48,515.04
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Solution
The fourth proportional to 86,240.79, 119,028.71 and 48,515.04 is: 66,959.99
Step by Step Solution
- Step 1: Write the proportion equation
86,240.79 : 119,028.71 = 48,515.04 : x - Step 2: Convert to fraction form
86,240.79/119,028.71 = 48,515.04/x - Step 3: Cross multiply
86,240.79x = 119,028.71 × 48,515.04 - Step 4: Simplify right side
86,240.79x = 5,774,682,384.22 - Step 5: Solve for x
x = 5,774,682,384.22/86,240.79 - Step 6: Final answer
x = 66,959.99
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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.