Finding the Fourth Proportional to 75,133.44, 103,677.98 and 43,304.49
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Solution
The fourth proportional to 75,133.44, 103,677.98 and 43,304.49 is: 59,756.64
Step by Step Solution
- Step 1: Write the proportion equation
75,133.44 : 103,677.98 = 43,304.49 : x - Step 2: Convert to fraction form
75,133.44/103,677.98 = 43,304.49/x - Step 3: Cross multiply
75,133.44x = 103,677.98 × 43,304.49 - Step 4: Simplify right side
75,133.44x = 4,489,721,831.61 - Step 5: Solve for x
x = 4,489,721,831.61/75,133.44 - Step 6: Final answer
x = 59,756.64
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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.