Finding the Fourth Proportional to 70,884.84, 106,349.12 and 26,516.08
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Solution
The fourth proportional to 70,884.84, 106,349.12 and 26,516.08 is: 39,782.30
Step by Step Solution
- Step 1: Write the proportion equation
70,884.84 : 106,349.12 = 26,516.08 : x - Step 2: Convert to fraction form
70,884.84/106,349.12 = 26,516.08/x - Step 3: Cross multiply
70,884.84x = 106,349.12 × 26,516.08 - Step 4: Simplify right side
70,884.84x = 2,819,961,773.85 - Step 5: Solve for x
x = 2,819,961,773.85/70,884.84 - Step 6: Final answer
x = 39,782.30
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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.