Finding the Fourth Proportional to 107,737.74, 148,676.68 and 59,338.75
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Solution
The fourth proportional to 107,737.74, 148,676.68 and 59,338.75 is: 81,886.70
Step by Step Solution
- Step 1: Write the proportion equation
107,737.74 : 148,676.68 = 59,338.75 : x - Step 2: Convert to fraction form
107,737.74/148,676.68 = 59,338.75/x - Step 3: Cross multiply
107,737.74x = 148,676.68 × 59,338.75 - Step 4: Simplify right side
107,737.74x = 8,822,288,345.35 - Step 5: Solve for x
x = 8,822,288,345.35/107,737.74 - Step 6: Final answer
x = 81,886.70
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1.5x scale
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.