Finding the Fourth Proportional to 76,325.04, 105,307.02 and 49,468.68
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Solution
The fourth proportional to 76,325.04, 105,307.02 and 49,468.68 is: 68,252.82
Step by Step Solution
- Step 1: Write the proportion equation
76,325.04 : 105,307.02 = 49,468.68 : x - Step 2: Convert to fraction form
76,325.04/105,307.02 = 49,468.68/x - Step 3: Cross multiply
76,325.04x = 105,307.02 × 49,468.68 - Step 4: Simplify right side
76,325.04x = 5,209,399,274.13 - Step 5: Solve for x
x = 5,209,399,274.13/76,325.04 - Step 6: Final answer
x = 68,252.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.