Finding the Fourth Proportional to 67,905.60, 101,858.04 and 36,937.68
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Solution
The fourth proportional to 67,905.60, 101,858.04 and 36,937.68 is: 55,406.32
Step by Step Solution
- Step 1: Write the proportion equation
67,905.60 : 101,858.04 = 36,937.68 : x - Step 2: Convert to fraction form
67,905.60/101,858.04 = 36,937.68/x - Step 3: Cross multiply
67,905.60x = 101,858.04 × 36,937.68 - Step 4: Simplify right side
67,905.60x = 3,762,399,686.95 - Step 5: Solve for x
x = 3,762,399,686.95/67,905.60 - Step 6: Final answer
x = 55,406.32
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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.