Finding the Fourth Proportional to 79,197.84, 118,664.98 and 55,775.08
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Solution
The fourth proportional to 79,197.84, 118,664.98 and 55,775.08 is: 83,569.81
Step by Step Solution
- Step 1: Write the proportion equation
79,197.84 : 118,664.98 = 55,775.08 : x - Step 2: Convert to fraction form
79,197.84/118,664.98 = 55,775.08/x - Step 3: Cross multiply
79,197.84x = 118,664.98 × 55,775.08 - Step 4: Simplify right side
79,197.84x = 6,618,548,752.70 - Step 5: Solve for x
x = 6,618,548,752.70/79,197.84 - Step 6: Final answer
x = 83,569.81
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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.