Finding the Fourth Proportional to 70,884.78, 106,343.64 and 24,138.06
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Solution
The fourth proportional to 70,884.78, 106,343.64 and 24,138.06 is: 36,212.70
Step by Step Solution
- Step 1: Write the proportion equation
70,884.78 : 106,343.64 = 24,138.06 : x - Step 2: Convert to fraction form
70,884.78/106,343.64 = 24,138.06/x - Step 3: Cross multiply
70,884.78x = 106,343.64 × 24,138.06 - Step 4: Simplify right side
70,884.78x = 2,566,929,162.94 - Step 5: Solve for x
x = 2,566,929,162.94/70,884.78 - Step 6: Final answer
x = 36,212.70
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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.