Finding the Fourth Proportional to 97,102.66, 145,653.99 and 55,520.50
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Solution
The fourth proportional to 97,102.66, 145,653.99 and 55,520.50 is: 83,280.75
Step by Step Solution
- Step 1: Write the proportion equation
97,102.66 : 145,653.99 = 55,520.50 : x - Step 2: Convert to fraction form
97,102.66/145,653.99 = 55,520.50/x - Step 3: Cross multiply
97,102.66x = 145,653.99 × 55,520.50 - Step 4: Simplify right side
97,102.66x = 8,086,782,351.80 - Step 5: Solve for x
x = 8,086,782,351.80/97,102.66 - Step 6: Final answer
x = 83,280.75
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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.