Finding the Fourth Proportional to 73,411.74, 101,328.21 and 43,206.75
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Solution
The fourth proportional to 73,411.74, 101,328.21 and 43,206.75 is: 59,637.09
Step by Step Solution
- Step 1: Write the proportion equation
73,411.74 : 101,328.21 = 43,206.75 : x - Step 2: Convert to fraction form
73,411.74/101,328.21 = 43,206.75/x - Step 3: Cross multiply
73,411.74x = 101,328.21 × 43,206.75 - Step 4: Simplify right side
73,411.74x = 4,378,062,637.42 - Step 5: Solve for x
x = 4,378,062,637.42/73,411.74 - Step 6: Final answer
x = 59,637.09
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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.