Finding the Fourth Proportional to 76,289.10, 114,438.68 and 26,374.02
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Solution
The fourth proportional to 76,289.10, 114,438.68 and 26,374.02 is: 39,562.77
Step by Step Solution
- Step 1: Write the proportion equation
76,289.10 : 114,438.68 = 26,374.02 : x - Step 2: Convert to fraction form
76,289.10/114,438.68 = 26,374.02/x - Step 3: Cross multiply
76,289.10x = 114,438.68 × 26,374.02 - Step 4: Simplify right side
76,289.10x = 3,018,208,035.09 - Step 5: Solve for x
x = 3,018,208,035.09/76,289.10 - Step 6: Final answer
x = 39,562.77
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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.