Finding the Fourth Proportional to 97,369.97, 134,376.77 and 54,913.01
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Solution
The fourth proportional to 97,369.97, 134,376.77 and 54,913.01 is: 75,783.46
Step by Step Solution
- Step 1: Write the proportion equation
97,369.97 : 134,376.77 = 54,913.01 : x - Step 2: Convert to fraction form
97,369.97/134,376.77 = 54,913.01/x - Step 3: Cross multiply
97,369.97x = 134,376.77 × 54,913.01 - Step 4: Simplify right side
97,369.97x = 7,379,032,380.18 - Step 5: Solve for x
x = 7,379,032,380.18/97,369.97 - Step 6: Final answer
x = 75,783.46
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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.