Finding the Fourth Proportional to 74,525.24, 102,937.12 and 54,074.49
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Solution
The fourth proportional to 74,525.24, 102,937.12 and 54,074.49 is: 74,689.76
Step by Step Solution
- Step 1: Write the proportion equation
74,525.24 : 102,937.12 = 54,074.49 : x - Step 2: Convert to fraction form
74,525.24/102,937.12 = 54,074.49/x - Step 3: Cross multiply
74,525.24x = 102,937.12 × 54,074.49 - Step 4: Simplify right side
74,525.24x = 5,566,272,266.07 - Step 5: Solve for x
x = 5,566,272,266.07/74,525.24 - Step 6: Final answer
x = 74,689.76
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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.