Finding the Fourth Proportional to 93,170.84, 128,576.06 and 50,729.63
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Solution
The fourth proportional to 93,170.84, 128,576.06 and 50,729.63 is: 70,007.05
Step by Step Solution
- Step 1: Write the proportion equation
93,170.84 : 128,576.06 = 50,729.63 : x - Step 2: Convert to fraction form
93,170.84/128,576.06 = 50,729.63/x - Step 3: Cross multiply
93,170.84x = 128,576.06 × 50,729.63 - Step 4: Simplify right side
93,170.84x = 6,522,615,054.13 - Step 5: Solve for x
x = 6,522,615,054.13/93,170.84 - Step 6: Final answer
x = 70,007.05
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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.