Finding the Fourth Proportional to 76,252.68, 114,130.62 and 68,977.80
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Solution
The fourth proportional to 76,252.68, 114,130.62 and 68,977.80 is: 103,242.00
Step by Step Solution
- Step 1: Write the proportion equation
76,252.68 : 114,130.62 = 68,977.80 : x - Step 2: Convert to fraction form
76,252.68/114,130.62 = 68,977.80/x - Step 3: Cross multiply
76,252.68x = 114,130.62 × 68,977.80 - Step 4: Simplify right side
76,252.68x = 7,872,479,080.24 - Step 5: Solve for x
x = 7,872,479,080.24/76,252.68 - Step 6: Final answer
x = 103,242.00
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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.