Finding the Fourth Proportional to 76,903.05, 115,353.88 and 24,312.55
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Solution
The fourth proportional to 76,903.05, 115,353.88 and 24,312.55 is: 36,468.61
Step by Step Solution
- Step 1: Write the proportion equation
76,903.05 : 115,353.88 = 24,312.55 : x - Step 2: Convert to fraction form
76,903.05/115,353.88 = 24,312.55/x - Step 3: Cross multiply
76,903.05x = 115,353.88 × 24,312.55 - Step 4: Simplify right side
76,903.05x = 2,804,546,975.19 - Step 5: Solve for x
x = 2,804,546,975.19/76,903.05 - Step 6: Final answer
x = 36,468.61
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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.