Finding the Fourth Proportional to 86,462.34, 129,733.60 and 36,554.09
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Solution
The fourth proportional to 86,462.34, 129,733.60 and 36,554.09 is: 54,848.08
Step by Step Solution
- Step 1: Write the proportion equation
86,462.34 : 129,733.60 = 36,554.09 : x - Step 2: Convert to fraction form
86,462.34/129,733.60 = 36,554.09/x - Step 3: Cross multiply
86,462.34x = 129,733.60 × 36,554.09 - Step 4: Simplify right side
86,462.34x = 4,742,293,018.91 - Step 5: Solve for x
x = 4,742,293,018.91/86,462.34 - Step 6: Final answer
x = 54,848.08
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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.