Finding the Fourth Proportional to 83,893.47, 115,775.73 and 48,090.26
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Solution
The fourth proportional to 83,893.47, 115,775.73 and 48,090.26 is: 66,366.12
Step by Step Solution
- Step 1: Write the proportion equation
83,893.47 : 115,775.73 = 48,090.26 : x - Step 2: Convert to fraction form
83,893.47/115,775.73 = 48,090.26/x - Step 3: Cross multiply
83,893.47x = 115,775.73 × 48,090.26 - Step 4: Simplify right side
83,893.47x = 5,567,684,378.51 - Step 5: Solve for x
x = 5,567,684,378.51/83,893.47 - Step 6: Final answer
x = 66,366.12
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1.5x scale
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.