Finding the Fourth Proportional to 75,898.75, 104,740.34 and 42,364.75
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Solution
The fourth proportional to 75,898.75, 104,740.34 and 42,364.75 is: 58,463.39
Step by Step Solution
- Step 1: Write the proportion equation
75,898.75 : 104,740.34 = 42,364.75 : x - Step 2: Convert to fraction form
75,898.75/104,740.34 = 42,364.75/x - Step 3: Cross multiply
75,898.75x = 104,740.34 × 42,364.75 - Step 4: Simplify right side
75,898.75x = 4,437,298,107.19 - Step 5: Solve for x
x = 4,437,298,107.19/75,898.75 - Step 6: Final answer
x = 58,463.39
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1.5x scale
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.