Finding the Fourth Proportional to 97,677.28, 134,758.85 and 59,421.18
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Solution
The fourth proportional to 97,677.28, 134,758.85 and 59,421.18 is: 81,979.45
Step by Step Solution
- Step 1: Write the proportion equation
97,677.28 : 134,758.85 = 59,421.18 : x - Step 2: Convert to fraction form
97,677.28/134,758.85 = 59,421.18/x - Step 3: Cross multiply
97,677.28x = 134,758.85 × 59,421.18 - Step 4: Simplify right side
97,677.28x = 8,007,529,882.44 - Step 5: Solve for x
x = 8,007,529,882.44/97,677.28 - Step 6: Final answer
x = 81,979.45
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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.