Finding the Fourth Proportional to 97,246.80, 134,067.42 and 61,418.88
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Solution
The fourth proportional to 97,246.80, 134,067.42 and 61,418.88 is: 84,673.95
Step by Step Solution
- Step 1: Write the proportion equation
97,246.80 : 134,067.42 = 61,418.88 : x - Step 2: Convert to fraction form
97,246.80/134,067.42 = 61,418.88/x - Step 3: Cross multiply
97,246.80x = 134,067.42 × 61,418.88 - Step 4: Simplify right side
97,246.80x = 8,234,270,780.89 - Step 5: Solve for x
x = 8,234,270,780.89/97,246.80 - Step 6: Final answer
x = 84,673.95
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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.