Finding the Fourth Proportional to 97,863.30, 135,046.85 and 55,422.14
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Solution
The fourth proportional to 97,863.30, 135,046.85 and 55,422.14 is: 76,479.99
Step by Step Solution
- Step 1: Write the proportion equation
97,863.30 : 135,046.85 = 55,422.14 : x - Step 2: Convert to fraction form
97,863.30/135,046.85 = 55,422.14/x - Step 3: Cross multiply
97,863.30x = 135,046.85 × 55,422.14 - Step 4: Simplify right side
97,863.30x = 7,484,584,474.91 - Step 5: Solve for x
x = 7,484,584,474.91/97,863.30 - Step 6: Final answer
x = 76,479.99
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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.