Finding the Fourth Proportional to 97,497.99, 134,609.73 and 79,635.87
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Solution
The fourth proportional to 97,497.99, 134,609.73 and 79,635.87 is: 109,948.55
Step by Step Solution
- Step 1: Write the proportion equation
97,497.99 : 134,609.73 = 79,635.87 : x - Step 2: Convert to fraction form
97,497.99/134,609.73 = 79,635.87/x - Step 3: Cross multiply
97,497.99x = 134,609.73 × 79,635.87 - Step 4: Simplify right side
97,497.99x = 10,719,762,959.02 - Step 5: Solve for x
x = 10,719,762,959.02/97,497.99 - Step 6: Final answer
x = 109,948.55
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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.