Finding the Fourth Proportional to 75,768.19, 113,656.84 and 23,178.13
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Solution
The fourth proportional to 75,768.19, 113,656.84 and 23,178.13 is: 34,768.59
Step by Step Solution
- Step 1: Write the proportion equation
75,768.19 : 113,656.84 = 23,178.13 : x - Step 2: Convert to fraction form
75,768.19/113,656.84 = 23,178.13/x - Step 3: Cross multiply
75,768.19x = 113,656.84 × 23,178.13 - Step 4: Simplify right side
75,768.19x = 2,634,352,670.82 - Step 5: Solve for x
x = 2,634,352,670.82/75,768.19 - Step 6: Final answer
x = 34,768.59
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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.