Finding the Fourth Proportional to 79,239.95, 119,008.00 and 69,755.66
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Solution
The fourth proportional to 79,239.95, 119,008.00 and 69,755.66 is: 104,763.84
Step by Step Solution
- Step 1: Write the proportion equation
79,239.95 : 119,008.00 = 69,755.66 : x - Step 2: Convert to fraction form
79,239.95/119,008.00 = 69,755.66/x - Step 3: Cross multiply
79,239.95x = 119,008.00 × 69,755.66 - Step 4: Simplify right side
79,239.95x = 8,301,480,641.46 - Step 5: Solve for x
x = 8,301,480,641.46/79,239.95 - Step 6: Final answer
x = 104,763.84
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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.