Finding the Fourth Proportional to 73,510.92, 101,444.58 and 39,976.84
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Solution
The fourth proportional to 73,510.92, 101,444.58 and 39,976.84 is: 55,167.77
Step by Step Solution
- Step 1: Write the proportion equation
73,510.92 : 101,444.58 = 39,976.84 : x - Step 2: Convert to fraction form
73,510.92/101,444.58 = 39,976.84/x - Step 3: Cross multiply
73,510.92x = 101,444.58 × 39,976.84 - Step 4: Simplify right side
73,510.92x = 4,055,433,743.53 - Step 5: Solve for x
x = 4,055,433,743.53/73,510.92 - Step 6: Final answer
x = 55,167.77
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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.