Finding the Fourth Proportional to 67,416.42, 101,135.16 and 29,989.56
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Solution
The fourth proportional to 67,416.42, 101,135.16 and 29,989.56 is: 44,989.02
Step by Step Solution
- Step 1: Write the proportion equation
67,416.42 : 101,135.16 = 29,989.56 : x - Step 2: Convert to fraction form
67,416.42/101,135.16 = 29,989.56/x - Step 3: Cross multiply
67,416.42x = 101,135.16 × 29,989.56 - Step 4: Simplify right side
67,416.42x = 3,032,998,948.93 - Step 5: Solve for x
x = 3,032,998,948.93/67,416.42 - Step 6: Final answer
x = 44,989.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.