Finding the Fourth Proportional to 124,605.21, 186,898.77 and 48,689.49
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Solution
The fourth proportional to 124,605.21, 186,898.77 and 48,689.49 is: 73,030.70
Step by Step Solution
- Step 1: Write the proportion equation
124,605.21 : 186,898.77 = 48,689.49 : x - Step 2: Convert to fraction form
124,605.21/186,898.77 = 48,689.49/x - Step 3: Cross multiply
124,605.21x = 186,898.77 × 48,689.49 - Step 4: Simplify right side
124,605.21x = 9,100,005,792.93 - Step 5: Solve for x
x = 9,100,005,792.93/124,605.21 - Step 6: Final answer
x = 73,030.70
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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.