Finding the Fourth Proportional to 88,605.42, 122,278.41 and 48,322.50
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Solution
The fourth proportional to 88,605.42, 122,278.41 and 48,322.50 is: 66,686.65
Step by Step Solution
- Step 1: Write the proportion equation
88,605.42 : 122,278.41 = 48,322.50 : x - Step 2: Convert to fraction form
88,605.42/122,278.41 = 48,322.50/x - Step 3: Cross multiply
88,605.42x = 122,278.41 × 48,322.50 - Step 4: Simplify right side
88,605.42x = 5,908,798,467.23 - Step 5: Solve for x
x = 5,908,798,467.23/88,605.42 - Step 6: Final answer
x = 66,686.65
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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.