Finding the Fourth Proportional to 97,040.45, 133,914.30 and 54,599.09
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Solution
The fourth proportional to 97,040.45, 133,914.30 and 54,599.09 is: 75,345.89
Step by Step Solution
- Step 1: Write the proportion equation
97,040.45 : 133,914.30 = 54,599.09 : x - Step 2: Convert to fraction form
97,040.45/133,914.30 = 54,599.09/x - Step 3: Cross multiply
97,040.45x = 133,914.30 × 54,599.09 - Step 4: Simplify right side
97,040.45x = 7,311,598,248.42 - Step 5: Solve for x
x = 7,311,598,248.42/97,040.45 - Step 6: Final answer
x = 75,345.89
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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.