Finding the Fourth Proportional to 83,703.99, 115,512.36 and 45,463.91
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Solution
The fourth proportional to 83,703.99, 115,512.36 and 45,463.91 is: 62,740.66
Step by Step Solution
- Step 1: Write the proportion equation
83,703.99 : 115,512.36 = 45,463.91 : x - Step 2: Convert to fraction form
83,703.99/115,512.36 = 45,463.91/x - Step 3: Cross multiply
83,703.99x = 115,512.36 × 45,463.91 - Step 4: Simplify right side
83,703.99x = 5,251,643,538.93 - Step 5: Solve for x
x = 5,251,643,538.93/83,703.99 - Step 6: Final answer
x = 62,740.66
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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.