Finding the Fourth Proportional to 97,783.36, 134,942.97 and 63,813.58
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Solution
The fourth proportional to 97,783.36, 134,942.97 and 63,813.58 is: 88,064.00
Step by Step Solution
- Step 1: Write the proportion equation
97,783.36 : 134,942.97 = 63,813.58 : x - Step 2: Convert to fraction form
97,783.36/134,942.97 = 63,813.58/x - Step 3: Cross multiply
97,783.36x = 134,942.97 × 63,813.58 - Step 4: Simplify right side
97,783.36x = 8,611,194,011.53 - Step 5: Solve for x
x = 8,611,194,011.53/97,783.36 - Step 6: Final answer
x = 88,064.00
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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.