Finding the Fourth Proportional to 79,054.81, 118,598.09 and 29,135.17
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Solution
The fourth proportional to 79,054.81, 118,598.09 and 29,135.17 is: 43,708.61
Step by Step Solution
- Step 1: Write the proportion equation
79,054.81 : 118,598.09 = 29,135.17 : x - Step 2: Convert to fraction form
79,054.81/118,598.09 = 29,135.17/x - Step 3: Cross multiply
79,054.81x = 118,598.09 × 29,135.17 - Step 4: Simplify right side
79,054.81x = 3,455,375,513.83 - Step 5: Solve for x
x = 3,455,375,513.83/79,054.81 - Step 6: Final answer
x = 43,708.61
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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.