Finding the Fourth Proportional to 88,069.47, 132,124.35 and 38,157.87
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Solution
The fourth proportional to 88,069.47, 132,124.35 and 38,157.87 is: 57,245.53
Step by Step Solution
- Step 1: Write the proportion equation
88,069.47 : 132,124.35 = 38,157.87 : x - Step 2: Convert to fraction form
88,069.47/132,124.35 = 38,157.87/x - Step 3: Cross multiply
88,069.47x = 132,124.35 × 38,157.87 - Step 4: Simplify right side
88,069.47x = 5,041,583,771.13 - Step 5: Solve for x
x = 5,041,583,771.13/88,069.47 - Step 6: Final answer
x = 57,245.53
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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.