Finding the Fourth Proportional to 74,263.46, 102,310.29 and 60,755.99
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Solution
The fourth proportional to 74,263.46, 102,310.29 and 60,755.99 is: 83,701.50
Step by Step Solution
- Step 1: Write the proportion equation
74,263.46 : 102,310.29 = 60,755.99 : x - Step 2: Convert to fraction form
74,263.46/102,310.29 = 60,755.99/x - Step 3: Cross multiply
74,263.46x = 102,310.29 × 60,755.99 - Step 4: Simplify right side
74,263.46x = 6,215,962,444.59 - Step 5: Solve for x
x = 6,215,962,444.59/74,263.46 - Step 6: Final answer
x = 83,701.50
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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.