Finding the Fourth Proportional to 94,177.68, 129,977.64 and 60,740.88
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Solution
The fourth proportional to 94,177.68, 129,977.64 and 60,740.88 is: 83,830.44
Step by Step Solution
- Step 1: Write the proportion equation
94,177.68 : 129,977.64 = 60,740.88 : x - Step 2: Convert to fraction form
94,177.68/129,977.64 = 60,740.88/x - Step 3: Cross multiply
94,177.68x = 129,977.64 × 60,740.88 - Step 4: Simplify right side
94,177.68x = 7,894,956,233.92 - Step 5: Solve for x
x = 7,894,956,233.92/94,177.68 - Step 6: Final answer
x = 83,830.44
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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.