Finding the Fourth Proportional to 74,160.84, 102,344.58 and 40,626.84
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Solution
The fourth proportional to 74,160.84, 102,344.58 and 40,626.84 is: 56,066.47
Step by Step Solution
- Step 1: Write the proportion equation
74,160.84 : 102,344.58 = 40,626.84 : x - Step 2: Convert to fraction form
74,160.84/102,344.58 = 40,626.84/x - Step 3: Cross multiply
74,160.84x = 102,344.58 × 40,626.84 - Step 4: Simplify right side
74,160.84x = 4,157,936,876.53 - Step 5: Solve for x
x = 4,157,936,876.53/74,160.84 - Step 6: Final answer
x = 56,066.47
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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.