Finding the Fourth Proportional to 92,605.74, 138,762.67 and 71,597.02
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Solution
The fourth proportional to 92,605.74, 138,762.67 and 71,597.02 is: 107,282.70
Step by Step Solution
- Step 1: Write the proportion equation
92,605.74 : 138,762.67 = 71,597.02 : x - Step 2: Convert to fraction form
92,605.74/138,762.67 = 71,597.02/x - Step 3: Cross multiply
92,605.74x = 138,762.67 × 71,597.02 - Step 4: Simplify right side
92,605.74x = 9,934,993,659.24 - Step 5: Solve for x
x = 9,934,993,659.24/92,605.74 - Step 6: Final answer
x = 107,282.70
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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.