Finding the Fourth Proportional to 107,866.17, 161,872.16 and 37,746.09
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Solution
The fourth proportional to 107,866.17, 161,872.16 and 37,746.09 is: 56,644.65
Step by Step Solution
- Step 1: Write the proportion equation
107,866.17 : 161,872.16 = 37,746.09 : x - Step 2: Convert to fraction form
107,866.17/161,872.16 = 37,746.09/x - Step 3: Cross multiply
107,866.17x = 161,872.16 × 37,746.09 - Step 4: Simplify right side
107,866.17x = 6,110,040,931.12 - Step 5: Solve for x
x = 6,110,040,931.12/107,866.17 - Step 6: Final answer
x = 56,644.65
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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.