Finding the Fourth Proportional to 74,869.47, 103,282.59 and 44,633.49
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Solution
The fourth proportional to 74,869.47, 103,282.59 and 44,633.49 is: 61,571.99
Step by Step Solution
- Step 1: Write the proportion equation
74,869.47 : 103,282.59 = 44,633.49 : x - Step 2: Convert to fraction form
74,869.47/103,282.59 = 44,633.49/x - Step 3: Cross multiply
74,869.47x = 103,282.59 × 44,633.49 - Step 4: Simplify right side
74,869.47x = 4,609,862,447.94 - Step 5: Solve for x
x = 4,609,862,447.94/74,869.47 - Step 6: Final answer
x = 61,571.99
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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.