Finding the Fourth Proportional to 93,537.99, 129,113.19 and 74,452.77
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Solution
The fourth proportional to 93,537.99, 129,113.19 and 74,452.77 is: 102,769.31
Step by Step Solution
- Step 1: Write the proportion equation
93,537.99 : 129,113.19 = 74,452.77 : x - Step 2: Convert to fraction form
93,537.99/129,113.19 = 74,452.77/x - Step 3: Cross multiply
93,537.99x = 129,113.19 × 74,452.77 - Step 4: Simplify right side
93,537.99x = 9,612,834,639.04 - Step 5: Solve for x
x = 9,612,834,639.04/93,537.99 - Step 6: Final answer
x = 102,769.31
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1.5x scale
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.