Finding the Fourth Proportional to 77,235.12, 115,854.71 and 24,644.55
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Solution
The fourth proportional to 77,235.12, 115,854.71 and 24,644.55 is: 36,967.48
Step by Step Solution
- Step 1: Write the proportion equation
77,235.12 : 115,854.71 = 24,644.55 : x - Step 2: Convert to fraction form
77,235.12/115,854.71 = 24,644.55/x - Step 3: Cross multiply
77,235.12x = 115,854.71 × 24,644.55 - Step 4: Simplify right side
77,235.12x = 2,855,187,504.56 - Step 5: Solve for x
x = 2,855,187,504.56/77,235.12 - Step 6: Final answer
x = 36,967.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.