Finding the Fourth Proportional to 75,411.91, 104,056.84 and 43,574.66
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Solution
The fourth proportional to 75,411.91, 104,056.84 and 43,574.66 is: 60,126.33
Step by Step Solution
- Step 1: Write the proportion equation
75,411.91 : 104,056.84 = 43,574.66 : x - Step 2: Convert to fraction form
75,411.91/104,056.84 = 43,574.66/x - Step 3: Cross multiply
75,411.91x = 104,056.84 × 43,574.66 - Step 4: Simplify right side
75,411.91x = 4,534,241,423.67 - Step 5: Solve for x
x = 4,534,241,423.67/75,411.91 - Step 6: Final answer
x = 60,126.33
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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.