Finding the Fourth Proportional to 70,764.66, 106,152.93 and 18,174.06
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Solution
The fourth proportional to 70,764.66, 106,152.93 and 18,174.06 is: 27,262.62
Step by Step Solution
- Step 1: Write the proportion equation
70,764.66 : 106,152.93 = 18,174.06 : x - Step 2: Convert to fraction form
70,764.66/106,152.93 = 18,174.06/x - Step 3: Cross multiply
70,764.66x = 106,152.93 × 18,174.06 - Step 4: Simplify right side
70,764.66x = 1,929,229,719.00 - Step 5: Solve for x
x = 1,929,229,719.00/70,764.66 - Step 6: Final answer
x = 27,262.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.