Finding the Fourth Proportional to 75,754.17, 104,548.14 and 56,600.71
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Solution
The fourth proportional to 75,754.17, 104,548.14 and 56,600.71 is: 78,114.50
Step by Step Solution
- Step 1: Write the proportion equation
75,754.17 : 104,548.14 = 56,600.71 : x - Step 2: Convert to fraction form
75,754.17/104,548.14 = 56,600.71/x - Step 3: Cross multiply
75,754.17x = 104,548.14 × 56,600.71 - Step 4: Simplify right side
75,754.17x = 5,917,498,430.44 - Step 5: Solve for x
x = 5,917,498,430.44/75,754.17 - Step 6: Final answer
x = 78,114.50
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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.