Finding the Fourth Proportional to 83,753.24, 115,532.68 and 51,465.42
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Solution
The fourth proportional to 83,753.24, 115,532.68 and 51,465.42 is: 70,993.53
Step by Step Solution
- Step 1: Write the proportion equation
83,753.24 : 115,532.68 = 51,465.42 : x - Step 2: Convert to fraction form
83,753.24/115,532.68 = 51,465.42/x - Step 3: Cross multiply
83,753.24x = 115,532.68 × 51,465.42 - Step 4: Simplify right side
83,753.24x = 5,945,937,899.93 - Step 5: Solve for x
x = 5,945,937,899.93/83,753.24 - Step 6: Final answer
x = 70,993.53
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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.