Finding the Fourth Proportional to 94,191.48, 129,926.58 and 55,925.08
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Solution
The fourth proportional to 94,191.48, 129,926.58 and 55,925.08 is: 77,142.37
Step by Step Solution
- Step 1: Write the proportion equation
94,191.48 : 129,926.58 = 55,925.08 : x - Step 2: Convert to fraction form
94,191.48/129,926.58 = 55,925.08/x - Step 3: Cross multiply
94,191.48x = 129,926.58 × 55,925.08 - Step 4: Simplify right side
94,191.48x = 7,266,154,380.63 - Step 5: Solve for x
x = 7,266,154,380.63/94,191.48 - Step 6: Final answer
x = 77,142.37
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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.