Finding the Fourth Proportional to 83,459.08, 115,110.70 and 57,965.48
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Solution
The fourth proportional to 83,459.08, 115,110.70 and 57,965.48 is: 79,948.72
Step by Step Solution
- Step 1: Write the proportion equation
83,459.08 : 115,110.70 = 57,965.48 : x - Step 2: Convert to fraction form
83,459.08/115,110.70 = 57,965.48/x - Step 3: Cross multiply
83,459.08x = 115,110.70 × 57,965.48 - Step 4: Simplify right side
83,459.08x = 6,672,446,978.64 - Step 5: Solve for x
x = 6,672,446,978.64/83,459.08 - Step 6: Final answer
x = 79,948.72
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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.