Finding the Fourth Proportional to 86,448.24, 129,674.76 and 24,118.68
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Solution
The fourth proportional to 86,448.24, 129,674.76 and 24,118.68 is: 36,178.69
Step by Step Solution
- Step 1: Write the proportion equation
86,448.24 : 129,674.76 = 24,118.68 : x - Step 2: Convert to fraction form
86,448.24/129,674.76 = 24,118.68/x - Step 3: Cross multiply
86,448.24x = 129,674.76 × 24,118.68 - Step 4: Simplify right side
86,448.24x = 3,127,584,040.52 - Step 5: Solve for x
x = 3,127,584,040.52/86,448.24 - Step 6: Final answer
x = 36,178.69
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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.