Finding the Fourth Proportional to 93,575.12, 129,122.36 and 53,288.96
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Solution
The fourth proportional to 93,575.12, 129,122.36 and 53,288.96 is: 73,532.33
Step by Step Solution
- Step 1: Write the proportion equation
93,575.12 : 129,122.36 = 53,288.96 : x - Step 2: Convert to fraction form
93,575.12/129,122.36 = 53,288.96/x - Step 3: Cross multiply
93,575.12x = 129,122.36 × 53,288.96 - Step 4: Simplify right side
93,575.12x = 6,880,796,277.15 - Step 5: Solve for x
x = 6,880,796,277.15/93,575.12 - Step 6: Final answer
x = 73,532.33
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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.