Finding the Fourth Proportional to 70,896.96, 106,312.80 and 24,137.28
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Solution
The fourth proportional to 70,896.96, 106,312.80 and 24,137.28 is: 36,194.81
Step by Step Solution
- Step 1: Write the proportion equation
70,896.96 : 106,312.80 = 24,137.28 : x - Step 2: Convert to fraction form
70,896.96/106,312.80 = 24,137.28/x - Step 3: Cross multiply
70,896.96x = 106,312.80 × 24,137.28 - Step 4: Simplify right side
70,896.96x = 2,566,101,821.18 - Step 5: Solve for x
x = 2,566,101,821.18/70,896.96 - Step 6: Final answer
x = 36,194.81
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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.