Finding the Fourth Proportional to 70,880.76, 106,331.92 and 24,122.70
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Solution
The fourth proportional to 70,880.76, 106,331.92 and 24,122.70 is: 36,187.72
Step by Step Solution
- Step 1: Write the proportion equation
70,880.76 : 106,331.92 = 24,122.70 : x - Step 2: Convert to fraction form
70,880.76/106,331.92 = 24,122.70/x - Step 3: Cross multiply
70,880.76x = 106,331.92 × 24,122.70 - Step 4: Simplify right side
70,880.76x = 2,565,013,006.58 - Step 5: Solve for x
x = 2,565,013,006.58/70,880.76 - Step 6: Final answer
x = 36,187.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.