Finding the Fourth Proportional to 70,813.08, 106,120.50 and 53,262.36
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Solution
The fourth proportional to 70,813.08, 106,120.50 and 53,262.36 is: 79,818.99
Step by Step Solution
- Step 1: Write the proportion equation
70,813.08 : 106,120.50 = 53,262.36 : x - Step 2: Convert to fraction form
70,813.08/106,120.50 = 53,262.36/x - Step 3: Cross multiply
70,813.08x = 106,120.50 × 53,262.36 - Step 4: Simplify right side
70,813.08x = 5,652,228,274.38 - Step 5: Solve for x
x = 5,652,228,274.38/70,813.08 - Step 6: Final answer
x = 79,818.99
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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.