Finding the Fourth Proportional to 75,091.48, 103,637.87 and 42,826.17
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Solution
The fourth proportional to 75,091.48, 103,637.87 and 42,826.17 is: 59,106.75
Step by Step Solution
- Step 1: Write the proportion equation
75,091.48 : 103,637.87 = 42,826.17 : x - Step 2: Convert to fraction form
75,091.48/103,637.87 = 42,826.17/x - Step 3: Cross multiply
75,091.48x = 103,637.87 × 42,826.17 - Step 4: Simplify right side
75,091.48x = 4,438,413,039.06 - Step 5: Solve for x
x = 4,438,413,039.06/75,091.48 - Step 6: Final answer
x = 59,106.75
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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.