Finding the Fourth Proportional to 88,957.78, 122,760.70 and 48,671.08
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Solution
The fourth proportional to 88,957.78, 122,760.70 and 48,671.08 is: 67,165.52
Step by Step Solution
- Step 1: Write the proportion equation
88,957.78 : 122,760.70 = 48,671.08 : x - Step 2: Convert to fraction form
88,957.78/122,760.70 = 48,671.08/x - Step 3: Cross multiply
88,957.78x = 122,760.70 × 48,671.08 - Step 4: Simplify right side
88,957.78x = 5,974,895,421.98 - Step 5: Solve for x
x = 5,974,895,421.98/88,957.78 - Step 6: Final answer
x = 67,165.52
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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.