Finding the Fourth Proportional to 94,904.69, 130,961.88 and 52,459.88
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Solution
The fourth proportional to 94,904.69, 130,961.88 and 52,459.88 is: 72,390.99
Step by Step Solution
- Step 1: Write the proportion equation
94,904.69 : 130,961.88 = 52,459.88 : x - Step 2: Convert to fraction form
94,904.69/130,961.88 = 52,459.88/x - Step 3: Cross multiply
94,904.69x = 130,961.88 × 52,459.88 - Step 4: Simplify right side
94,904.69x = 6,870,244,247.08 - Step 5: Solve for x
x = 6,870,244,247.08/94,904.69 - Step 6: Final answer
x = 72,390.99
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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.