Finding the Fourth Proportional to 93,293.13, 128,743.71 and 50,850.75
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Solution
The fourth proportional to 93,293.13, 128,743.71 and 50,850.75 is: 70,173.59
Step by Step Solution
- Step 1: Write the proportion equation
93,293.13 : 128,743.71 = 50,850.75 : x - Step 2: Convert to fraction form
93,293.13/128,743.71 = 50,850.75/x - Step 3: Cross multiply
93,293.13x = 128,743.71 × 50,850.75 - Step 4: Simplify right side
93,293.13x = 6,546,714,211.28 - Step 5: Solve for x
x = 6,546,714,211.28/93,293.13 - Step 6: Final answer
x = 70,173.59
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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.