Finding the Fourth Proportional to 70,775.88, 106,130.86 and 41,202.17
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Solution
The fourth proportional to 70,775.88, 106,130.86 and 41,202.17 is: 61,784.07
Step by Step Solution
- Step 1: Write the proportion equation
70,775.88 : 106,130.86 = 41,202.17 : x - Step 2: Convert to fraction form
70,775.88/106,130.86 = 41,202.17/x - Step 3: Cross multiply
70,775.88x = 106,130.86 × 41,202.17 - Step 4: Simplify right side
70,775.88x = 4,372,821,500.30 - Step 5: Solve for x
x = 4,372,821,500.30/70,775.88 - Step 6: Final answer
x = 61,784.07
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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.