Finding the Fourth Proportional to 93,494.40, 129,022.98 and 53,211.23
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Solution
The fourth proportional to 93,494.40, 129,022.98 and 53,211.23 is: 73,431.90
Step by Step Solution
- Step 1: Write the proportion equation
93,494.40 : 129,022.98 = 53,211.23 : x - Step 2: Convert to fraction form
93,494.40/129,022.98 = 53,211.23/x - Step 3: Cross multiply
93,494.40x = 129,022.98 × 53,211.23 - Step 4: Simplify right side
93,494.40x = 6,865,471,103.24 - Step 5: Solve for x
x = 6,865,471,103.24/93,494.40 - Step 6: Final answer
x = 73,431.90
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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.