Finding the Fourth Proportional to 75,518.62, 104,189.74 and 46,827.95
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Solution
The fourth proportional to 75,518.62, 104,189.74 and 46,827.95 is: 64,606.47
Step by Step Solution
- Step 1: Write the proportion equation
75,518.62 : 104,189.74 = 46,827.95 : x - Step 2: Convert to fraction form
75,518.62/104,189.74 = 46,827.95/x - Step 3: Cross multiply
75,518.62x = 104,189.74 × 46,827.95 - Step 4: Simplify right side
75,518.62x = 4,878,991,297.21 - Step 5: Solve for x
x = 4,878,991,297.21/75,518.62 - Step 6: Final answer
x = 64,606.47
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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.