Finding the Fourth Proportional to 87,357.06, 131,041.08 and 23,313.99
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Solution
The fourth proportional to 87,357.06, 131,041.08 and 23,313.99 is: 34,972.45
Step by Step Solution
- Step 1: Write the proportion equation
87,357.06 : 131,041.08 = 23,313.99 : x - Step 2: Convert to fraction form
87,357.06/131,041.08 = 23,313.99/x - Step 3: Cross multiply
87,357.06x = 131,041.08 × 23,313.99 - Step 4: Simplify right side
87,357.06x = 3,055,090,428.71 - Step 5: Solve for x
x = 3,055,090,428.71/87,357.06 - Step 6: Final answer
x = 34,972.45
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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.