Finding the Fourth Proportional to 96,319.16, 132,930.44 and 55,484.70
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Solution
The fourth proportional to 96,319.16, 132,930.44 and 55,484.70 is: 76,574.65
Step by Step Solution
- Step 1: Write the proportion equation
96,319.16 : 132,930.44 = 55,484.70 : x - Step 2: Convert to fraction form
96,319.16/132,930.44 = 55,484.70/x - Step 3: Cross multiply
96,319.16x = 132,930.44 × 55,484.70 - Step 4: Simplify right side
96,319.16x = 7,375,605,306.84 - Step 5: Solve for x
x = 7,375,605,306.84/96,319.16 - Step 6: Final answer
x = 76,574.65
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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.