Finding the Fourth Proportional to 75,677.56, 104,395.95 and 48,777.46
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Solution
The fourth proportional to 75,677.56, 104,395.95 and 48,777.46 is: 67,287.70
Step by Step Solution
- Step 1: Write the proportion equation
75,677.56 : 104,395.95 = 48,777.46 : x - Step 2: Convert to fraction form
75,677.56/104,395.95 = 48,777.46/x - Step 3: Cross multiply
75,677.56x = 104,395.95 × 48,777.46 - Step 4: Simplify right side
75,677.56x = 5,092,169,014.30 - Step 5: Solve for x
x = 5,092,169,014.30/75,677.56 - Step 6: Final answer
x = 67,287.70
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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.