Finding the Fourth Proportional to 87,323.96, 130,944.48 and 39,924.99
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Solution
The fourth proportional to 87,323.96, 130,944.48 and 39,924.99 is: 59,868.53
Step by Step Solution
- Step 1: Write the proportion equation
87,323.96 : 130,944.48 = 39,924.99 : x - Step 2: Convert to fraction form
87,323.96/130,944.48 = 39,924.99/x - Step 3: Cross multiply
87,323.96x = 130,944.48 × 39,924.99 - Step 4: Simplify right side
87,323.96x = 5,227,957,054.56 - Step 5: Solve for x
x = 5,227,957,054.56/87,323.96 - Step 6: Final answer
x = 59,868.53
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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.