Finding the Fourth Proportional to 75,064.68, 103,587.78 and 41,530.68
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Solution
The fourth proportional to 75,064.68, 103,587.78 and 41,530.68 is: 57,311.52
Step by Step Solution
- Step 1: Write the proportion equation
75,064.68 : 103,587.78 = 41,530.68 : x - Step 2: Convert to fraction form
75,064.68/103,587.78 = 41,530.68/x - Step 3: Cross multiply
75,064.68x = 103,587.78 × 41,530.68 - Step 4: Simplify right side
75,064.68x = 4,302,070,943.09 - Step 5: Solve for x
x = 4,302,070,943.09/75,064.68 - Step 6: Final answer
x = 57,311.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.