Finding the Fourth Proportional to 93,208.62, 128,631.12 and 52,921.02
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Solution
The fourth proportional to 93,208.62, 128,631.12 and 52,921.02 is: 73,032.84
Step by Step Solution
- Step 1: Write the proportion equation
93,208.62 : 128,631.12 = 52,921.02 : x - Step 2: Convert to fraction form
93,208.62/128,631.12 = 52,921.02/x - Step 3: Cross multiply
93,208.62x = 128,631.12 × 52,921.02 - Step 4: Simplify right side
93,208.62x = 6,807,290,074.14 - Step 5: Solve for x
x = 6,807,290,074.14/93,208.62 - Step 6: Final answer
x = 73,032.84
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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.