Finding the Fourth Proportional to 75,800.64, 104,462.88 and 54,542.88
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Solution
The fourth proportional to 75,800.64, 104,462.88 and 54,542.88 is: 75,167.00
Step by Step Solution
- Step 1: Write the proportion equation
75,800.64 : 104,462.88 = 54,542.88 : x - Step 2: Convert to fraction form
75,800.64/104,462.88 = 54,542.88/x - Step 3: Cross multiply
75,800.64x = 104,462.88 × 54,542.88 - Step 4: Simplify right side
75,800.64x = 5,697,706,328.29 - Step 5: Solve for x
x = 5,697,706,328.29/75,800.64 - Step 6: Final answer
x = 75,167.00
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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.