Finding the Fourth Proportional to 93,813.49, 129,466.45 and 51,372.02
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Solution
The fourth proportional to 93,813.49, 129,466.45 and 51,372.02 is: 70,895.49
Step by Step Solution
- Step 1: Write the proportion equation
93,813.49 : 129,466.45 = 51,372.02 : x - Step 2: Convert to fraction form
93,813.49/129,466.45 = 51,372.02/x - Step 3: Cross multiply
93,813.49x = 129,466.45 × 51,372.02 - Step 4: Simplify right side
93,813.49x = 6,650,953,446.61 - Step 5: Solve for x
x = 6,650,953,446.61/93,813.49 - Step 6: Final answer
x = 70,895.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.