Finding the Fourth Proportional to 69,189.24, 103,617.42 and 39,517.08
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Solution
The fourth proportional to 69,189.24, 103,617.42 and 39,517.08 is: 59,180.56
Step by Step Solution
- Step 1: Write the proportion equation
69,189.24 : 103,617.42 = 39,517.08 : x - Step 2: Convert to fraction form
69,189.24/103,617.42 = 39,517.08/x - Step 3: Cross multiply
69,189.24x = 103,617.42 × 39,517.08 - Step 4: Simplify right side
69,189.24x = 4,094,657,875.53 - Step 5: Solve for x
x = 4,094,657,875.53/69,189.24 - Step 6: Final answer
x = 59,180.56
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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.