Finding the Fourth Proportional to 66,912.24, 100,368.18 and 36,925.06
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Solution
The fourth proportional to 66,912.24, 100,368.18 and 36,925.06 is: 55,387.49
Step by Step Solution
- Step 1: Write the proportion equation
66,912.24 : 100,368.18 = 36,925.06 : x - Step 2: Convert to fraction form
66,912.24/100,368.18 = 36,925.06/x - Step 3: Cross multiply
66,912.24x = 100,368.18 × 36,925.06 - Step 4: Simplify right side
66,912.24x = 3,706,101,068.59 - Step 5: Solve for x
x = 3,706,101,068.59/66,912.24 - Step 6: Final answer
x = 55,387.49
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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.