Finding the Fourth Proportional to 83,339.14, 115,008.93 and 47,531.26
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Solution
The fourth proportional to 83,339.14, 115,008.93 and 47,531.26 is: 65,593.66
Step by Step Solution
- Step 1: Write the proportion equation
83,339.14 : 115,008.93 = 47,531.26 : x - Step 2: Convert to fraction form
83,339.14/115,008.93 = 47,531.26/x - Step 3: Cross multiply
83,339.14x = 115,008.93 × 47,531.26 - Step 4: Simplify right side
83,339.14x = 5,466,519,354.15 - Step 5: Solve for x
x = 5,466,519,354.15/83,339.14 - Step 6: Final answer
x = 65,593.66
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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.