Finding the Fourth Proportional to 69,729.60, 104,535.84 and 48,607.56
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Solution
The fourth proportional to 69,729.60, 104,535.84 and 48,607.56 is: 72,870.52
Step by Step Solution
- Step 1: Write the proportion equation
69,729.60 : 104,535.84 = 48,607.56 : x - Step 2: Convert to fraction form
69,729.60/104,535.84 = 48,607.56/x - Step 3: Cross multiply
69,729.60x = 104,535.84 × 48,607.56 - Step 4: Simplify right side
69,729.60x = 5,081,232,114.95 - Step 5: Solve for x
x = 5,081,232,114.95/69,729.60 - Step 6: Final answer
x = 72,870.52
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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.