Finding the Fourth Proportional to 90,288.18, 124,564.23 and 58,474.62
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Solution
The fourth proportional to 90,288.18, 124,564.23 and 58,474.62 is: 80,673.31
Step by Step Solution
- Step 1: Write the proportion equation
90,288.18 : 124,564.23 = 58,474.62 : x - Step 2: Convert to fraction form
90,288.18/124,564.23 = 58,474.62/x - Step 3: Cross multiply
90,288.18x = 124,564.23 × 58,474.62 - Step 4: Simplify right side
90,288.18x = 7,283,846,014.84 - Step 5: Solve for x
x = 7,283,846,014.84/90,288.18 - Step 6: Final answer
x = 80,673.31
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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.