Finding the Fourth Proportional to 76,926.23, 106,163.52 and 42,941.32
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Solution
The fourth proportional to 76,926.23, 106,163.52 and 42,941.32 is: 59,261.99
Step by Step Solution
- Step 1: Write the proportion equation
76,926.23 : 106,163.52 = 42,941.32 : x - Step 2: Convert to fraction form
76,926.23/106,163.52 = 42,941.32/x - Step 3: Cross multiply
76,926.23x = 106,163.52 × 42,941.32 - Step 4: Simplify right side
76,926.23x = 4,558,801,684.65 - Step 5: Solve for x
x = 4,558,801,684.65/76,926.23 - Step 6: Final answer
x = 59,261.99
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1.5x scale
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.