Finding the Fourth Proportional to 73,569.18, 110,266.95 and 31,436.94
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Solution
The fourth proportional to 73,569.18, 110,266.95 and 31,436.94 is: 47,118.31
Step by Step Solution
- Step 1: Write the proportion equation
73,569.18 : 110,266.95 = 31,436.94 : x - Step 2: Convert to fraction form
73,569.18/110,266.95 = 31,436.94/x - Step 3: Cross multiply
73,569.18x = 110,266.95 × 31,436.94 - Step 4: Simplify right side
73,569.18x = 3,466,455,491.13 - Step 5: Solve for x
x = 3,466,455,491.13/73,569.18 - Step 6: Final answer
x = 47,118.31
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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.