Finding the Fourth Proportional to 68,237.64, 102,325.14 and 28,773.09
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Solution
The fourth proportional to 68,237.64, 102,325.14 and 28,773.09 is: 43,146.43
Step by Step Solution
- Step 1: Write the proportion equation
68,237.64 : 102,325.14 = 28,773.09 : x - Step 2: Convert to fraction form
68,237.64/102,325.14 = 28,773.09/x - Step 3: Cross multiply
68,237.64x = 102,325.14 × 28,773.09 - Step 4: Simplify right side
68,237.64x = 2,944,210,462.48 - Step 5: Solve for x
x = 2,944,210,462.48/68,237.64 - Step 6: Final answer
x = 43,146.43
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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.