Finding the Fourth Proportional to 75,973.74, 113,994.02 and 40,426.68
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Solution
The fourth proportional to 75,973.74, 113,994.02 and 40,426.68 is: 60,657.80
Step by Step Solution
- Step 1: Write the proportion equation
75,973.74 : 113,994.02 = 40,426.68 : x - Step 2: Convert to fraction form
75,973.74/113,994.02 = 40,426.68/x - Step 3: Cross multiply
75,973.74x = 113,994.02 × 40,426.68 - Step 4: Simplify right side
75,973.74x = 4,608,399,851.31 - Step 5: Solve for x
x = 4,608,399,851.31/75,973.74 - Step 6: Final answer
x = 60,657.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.