Finding the Fourth Proportional to 91,246.34, 136,767.32 and 59,717.09
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Solution
The fourth proportional to 91,246.34, 136,767.32 and 59,717.09 is: 89,508.75
Step by Step Solution
- Step 1: Write the proportion equation
91,246.34 : 136,767.32 = 59,717.09 : x - Step 2: Convert to fraction form
91,246.34/136,767.32 = 59,717.09/x - Step 3: Cross multiply
91,246.34x = 136,767.32 × 59,717.09 - Step 4: Simplify right side
91,246.34x = 8,167,346,058.91 - Step 5: Solve for x
x = 8,167,346,058.91/91,246.34 - Step 6: Final answer
x = 89,508.75
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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.