Finding the Fourth Proportional to 74,012.14, 102,130.36 and 41,744.98
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Solution
The fourth proportional to 74,012.14, 102,130.36 and 41,744.98 is: 57,604.47
Step by Step Solution
- Step 1: Write the proportion equation
74,012.14 : 102,130.36 = 41,744.98 : x - Step 2: Convert to fraction form
74,012.14/102,130.36 = 41,744.98/x - Step 3: Cross multiply
74,012.14x = 102,130.36 × 41,744.98 - Step 4: Simplify right side
74,012.14x = 4,263,429,835.59 - Step 5: Solve for x
x = 4,263,429,835.59/74,012.14 - Step 6: Final answer
x = 57,604.47
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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.