Finding the Fourth Proportional to 97,760.52, 134,924.04 and 61,953.84
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Solution
The fourth proportional to 97,760.52, 134,924.04 and 61,953.84 is: 85,505.50
Step by Step Solution
- Step 1: Write the proportion equation
97,760.52 : 134,924.04 = 61,953.84 : x - Step 2: Convert to fraction form
97,760.52/134,924.04 = 61,953.84/x - Step 3: Cross multiply
97,760.52x = 134,924.04 × 61,953.84 - Step 4: Simplify right side
97,760.52x = 8,359,062,386.31 - Step 5: Solve for x
x = 8,359,062,386.31/97,760.52 - Step 6: Final answer
x = 85,505.50
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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.