Finding the Fourth Proportional to 97,140.96, 134,056.98 and 54,700.92
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Solution
The fourth proportional to 97,140.96, 134,056.98 and 54,700.92 is: 75,488.65
Step by Step Solution
- Step 1: Write the proportion equation
97,140.96 : 134,056.98 = 54,700.92 : x - Step 2: Convert to fraction form
97,140.96/134,056.98 = 54,700.92/x - Step 3: Cross multiply
97,140.96x = 134,056.98 × 54,700.92 - Step 4: Simplify right side
97,140.96x = 7,333,040,138.42 - Step 5: Solve for x
x = 7,333,040,138.42/97,140.96 - Step 6: Final answer
x = 75,488.65
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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.