Finding the Fourth Proportional to 75,426.74, 104,077.34 and 43,589.49
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Solution
The fourth proportional to 75,426.74, 104,077.34 and 43,589.49 is: 60,146.82
Step by Step Solution
- Step 1: Write the proportion equation
75,426.74 : 104,077.34 = 43,589.49 : x - Step 2: Convert to fraction form
75,426.74/104,077.34 = 43,589.49/x - Step 3: Cross multiply
75,426.74x = 104,077.34 × 43,589.49 - Step 4: Simplify right side
75,426.74x = 4,536,677,953.21 - Step 5: Solve for x
x = 4,536,677,953.21/75,426.74 - Step 6: Final answer
x = 60,146.82
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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.