Finding the Fourth Proportional to 94,727.22, 130,740.39 and 56,489.10
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Solution
The fourth proportional to 94,727.22, 130,740.39 and 56,489.10 is: 77,964.99
Step by Step Solution
- Step 1: Write the proportion equation
94,727.22 : 130,740.39 = 56,489.10 : x - Step 2: Convert to fraction form
94,727.22/130,740.39 = 56,489.10/x - Step 3: Cross multiply
94,727.22x = 130,740.39 × 56,489.10 - Step 4: Simplify right side
94,727.22x = 7,385,406,964.75 - Step 5: Solve for x
x = 7,385,406,964.75/94,727.22 - Step 6: Final answer
x = 77,964.99
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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.