Finding the Fourth Proportional to 93,289.98, 128,741.76 and 50,850.84
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Solution
The fourth proportional to 93,289.98, 128,741.76 and 50,850.84 is: 70,175.02
Step by Step Solution
- Step 1: Write the proportion equation
93,289.98 : 128,741.76 = 50,850.84 : x - Step 2: Convert to fraction form
93,289.98/128,741.76 = 50,850.84/x - Step 3: Cross multiply
93,289.98x = 128,741.76 × 50,850.84 - Step 4: Simplify right side
93,289.98x = 6,546,626,639.08 - Step 5: Solve for x
x = 6,546,626,639.08/93,289.98 - Step 6: Final answer
x = 70,175.02
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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.