Finding the Fourth Proportional to 68,803.60, 103,106.58 and 29,350.12
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Solution
The fourth proportional to 68,803.60, 103,106.58 and 29,350.12 is: 43,983.03
Step by Step Solution
- Step 1: Write the proportion equation
68,803.60 : 103,106.58 = 29,350.12 : x - Step 2: Convert to fraction form
68,803.60/103,106.58 = 29,350.12/x - Step 3: Cross multiply
68,803.60x = 103,106.58 × 29,350.12 - Step 4: Simplify right side
68,803.60x = 3,026,190,495.79 - Step 5: Solve for x
x = 3,026,190,495.79/68,803.60 - Step 6: Final answer
x = 43,983.03
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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.