Finding the Fourth Proportional to 75,330.09, 112,995.95 and 22,740.03
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Solution
The fourth proportional to 75,330.09, 112,995.95 and 22,740.03 is: 34,110.29
Step by Step Solution
- Step 1: Write the proportion equation
75,330.09 : 112,995.95 = 22,740.03 : x - Step 2: Convert to fraction form
75,330.09/112,995.95 = 22,740.03/x - Step 3: Cross multiply
75,330.09x = 112,995.95 × 22,740.03 - Step 4: Simplify right side
75,330.09x = 2,569,531,179.18 - Step 5: Solve for x
x = 2,569,531,179.18/75,330.09 - Step 6: Final answer
x = 34,110.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.