Finding the Fourth Proportional to 75,526.24, 113,302.98 and 31,128.28
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Solution
The fourth proportional to 75,526.24, 113,302.98 and 31,128.28 is: 46,698.03
Step by Step Solution
- Step 1: Write the proportion equation
75,526.24 : 113,302.98 = 31,128.28 : x - Step 2: Convert to fraction form
75,526.24/113,302.98 = 31,128.28/x - Step 3: Cross multiply
75,526.24x = 113,302.98 × 31,128.28 - Step 4: Simplify right side
75,526.24x = 3,526,926,886.27 - Step 5: Solve for x
x = 3,526,926,886.27/75,526.24 - Step 6: Final answer
x = 46,698.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.