Finding the Fourth Proportional to 86,744.66, 130,028.36 and 49,225.49
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Solution
The fourth proportional to 86,744.66, 130,028.36 and 49,225.49 is: 73,787.94
Step by Step Solution
- Step 1: Write the proportion equation
86,744.66 : 130,028.36 = 49,225.49 : x - Step 2: Convert to fraction form
86,744.66/130,028.36 = 49,225.49/x - Step 3: Cross multiply
86,744.66x = 130,028.36 × 49,225.49 - Step 4: Simplify right side
86,744.66x = 6,400,709,326.23 - Step 5: Solve for x
x = 6,400,709,326.23/86,744.66 - Step 6: Final answer
x = 73,787.94
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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.