Finding the Fourth Proportional to 75,857.64, 104,681.58 and 41,865.68
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Solution
The fourth proportional to 75,857.64, 104,681.58 and 41,865.68 is: 57,773.55
Step by Step Solution
- Step 1: Write the proportion equation
75,857.64 : 104,681.58 = 41,865.68 : x - Step 2: Convert to fraction form
75,857.64/104,681.58 = 41,865.68/x - Step 3: Cross multiply
75,857.64x = 104,681.58 × 41,865.68 - Step 4: Simplify right side
75,857.64x = 4,382,565,530.17 - Step 5: Solve for x
x = 4,382,565,530.17/75,857.64 - Step 6: Final answer
x = 57,773.55
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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.