Finding the Fourth Proportional to 74,738.99, 103,139.84 and 41,204.99
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Solution
The fourth proportional to 74,738.99, 103,139.84 and 41,204.99 is: 56,862.90
Step by Step Solution
- Step 1: Write the proportion equation
74,738.99 : 103,139.84 = 41,204.99 : x - Step 2: Convert to fraction form
74,738.99/103,139.84 = 41,204.99/x - Step 3: Cross multiply
74,738.99x = 103,139.84 × 41,204.99 - Step 4: Simplify right side
74,738.99x = 4,249,875,869.78 - Step 5: Solve for x
x = 4,249,875,869.78/74,738.99 - Step 6: Final answer
x = 56,862.90
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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.