Finding the Fourth Proportional to 107,433.10, 148,248.99 and 62,113.99
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Solution
The fourth proportional to 107,433.10, 148,248.99 and 62,113.99 is: 85,712.28
Step by Step Solution
- Step 1: Write the proportion equation
107,433.10 : 148,248.99 = 62,113.99 : x - Step 2: Convert to fraction form
107,433.10/148,248.99 = 62,113.99/x - Step 3: Cross multiply
107,433.10x = 148,248.99 × 62,113.99 - Step 4: Simplify right side
107,433.10x = 9,208,335,678.82 - Step 5: Solve for x
x = 9,208,335,678.82/107,433.10 - Step 6: Final answer
x = 85,712.28
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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.