Finding the Fourth Proportional to 79,098.77, 118,639.38 and 19,934.44
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Solution
The fourth proportional to 79,098.77, 118,639.38 and 19,934.44 is: 29,899.45
Step by Step Solution
- Step 1: Write the proportion equation
79,098.77 : 118,639.38 = 19,934.44 : x - Step 2: Convert to fraction form
79,098.77/118,639.38 = 19,934.44/x - Step 3: Cross multiply
79,098.77x = 118,639.38 × 19,934.44 - Step 4: Simplify right side
79,098.77x = 2,365,009,602.25 - Step 5: Solve for x
x = 2,365,009,602.25/79,098.77 - Step 6: Final answer
x = 29,899.45
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1.5x scale
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.