Finding the Fourth Proportional to 75,440.63, 113,066.58 and 38,010.13
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Solution
The fourth proportional to 75,440.63, 113,066.58 and 38,010.13 is: 56,967.65
Step by Step Solution
- Step 1: Write the proportion equation
75,440.63 : 113,066.58 = 38,010.13 : x - Step 2: Convert to fraction form
75,440.63/113,066.58 = 38,010.13/x - Step 3: Cross multiply
75,440.63x = 113,066.58 × 38,010.13 - Step 4: Simplify right side
75,440.63x = 4,297,675,264.33 - Step 5: Solve for x
x = 4,297,675,264.33/75,440.63 - Step 6: Final answer
x = 56,967.65
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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.