Finding the Fourth Proportional to 93,593.24, 129,181.62 and 53,330.74
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Solution
The fourth proportional to 93,593.24, 129,181.62 and 53,330.74 is: 73,609.50
Step by Step Solution
- Step 1: Write the proportion equation
93,593.24 : 129,181.62 = 53,330.74 : x - Step 2: Convert to fraction form
93,593.24/129,181.62 = 53,330.74/x - Step 3: Cross multiply
93,593.24x = 129,181.62 × 53,330.74 - Step 4: Simplify right side
93,593.24x = 6,889,351,389.00 - Step 5: Solve for x
x = 6,889,351,389.00/93,593.24 - Step 6: Final answer
x = 73,609.50
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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.