Finding the Fourth Proportional to 93,631.68, 129,211.84 and 53,343.68
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Solution
The fourth proportional to 93,631.68, 129,211.84 and 53,343.68 is: 73,614.35
Step by Step Solution
- Step 1: Write the proportion equation
93,631.68 : 129,211.84 = 53,343.68 : x - Step 2: Convert to fraction form
93,631.68/129,211.84 = 53,343.68/x - Step 3: Cross multiply
93,631.68x = 129,211.84 × 53,343.68 - Step 4: Simplify right side
93,631.68x = 6,892,635,045.17 - Step 5: Solve for x
x = 6,892,635,045.17/93,631.68 - Step 6: Final answer
x = 73,614.35
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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.