Finding the Fourth Proportional to 75,603.24, 113,275.26 and 53,376.84
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Solution
The fourth proportional to 75,603.24, 113,275.26 and 53,376.84 is: 79,973.76
Step by Step Solution
- Step 1: Write the proportion equation
75,603.24 : 113,275.26 = 53,376.84 : x - Step 2: Convert to fraction form
75,603.24/113,275.26 = 53,376.84/x - Step 3: Cross multiply
75,603.24x = 113,275.26 × 53,376.84 - Step 4: Simplify right side
75,603.24x = 6,046,275,428.98 - Step 5: Solve for x
x = 6,046,275,428.98/75,603.24 - Step 6: Final answer
x = 79,973.76
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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.