Finding the Fourth Proportional to 75,658.59, 104,409.14 and 42,124.59
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Solution
The fourth proportional to 75,658.59, 104,409.14 and 42,124.59 is: 58,132.09
Step by Step Solution
- Step 1: Write the proportion equation
75,658.59 : 104,409.14 = 42,124.59 : x - Step 2: Convert to fraction form
75,658.59/104,409.14 = 42,124.59/x - Step 3: Cross multiply
75,658.59x = 104,409.14 × 42,124.59 - Step 4: Simplify right side
75,658.59x = 4,398,192,004.13 - Step 5: Solve for x
x = 4,398,192,004.13/75,658.59 - Step 6: Final answer
x = 58,132.09
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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.