Finding the Fourth Proportional to 97,098.70, 133,977.02 and 61,337.74
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Solution
The fourth proportional to 97,098.70, 133,977.02 and 61,337.74 is: 84,633.96
Step by Step Solution
- Step 1: Write the proportion equation
97,098.70 : 133,977.02 = 61,337.74 : x - Step 2: Convert to fraction form
97,098.70/133,977.02 = 61,337.74/x - Step 3: Cross multiply
97,098.70x = 133,977.02 × 61,337.74 - Step 4: Simplify right side
97,098.70x = 8,217,847,618.73 - Step 5: Solve for x
x = 8,217,847,618.73/97,098.70 - Step 6: Final answer
x = 84,633.96
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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.