Finding the Fourth Proportional to 74,513.08, 102,829.98 and 40,523.68
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Solution
The fourth proportional to 74,513.08, 102,829.98 and 40,523.68 is: 55,923.73
Step by Step Solution
- Step 1: Write the proportion equation
74,513.08 : 102,829.98 = 40,523.68 : x - Step 2: Convert to fraction form
74,513.08/102,829.98 = 40,523.68/x - Step 3: Cross multiply
74,513.08x = 102,829.98 × 40,523.68 - Step 4: Simplify right side
74,513.08x = 4,167,049,203.93 - Step 5: Solve for x
x = 4,167,049,203.93/74,513.08 - Step 6: Final answer
x = 55,923.73
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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.