Finding the Fourth Proportional to 98,358.99, 135,746.92 and 55,923.90
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Solution
The fourth proportional to 98,358.99, 135,746.92 and 55,923.90 is: 77,181.53
Step by Step Solution
- Step 1: Write the proportion equation
98,358.99 : 135,746.92 = 55,923.90 : x - Step 2: Convert to fraction form
98,358.99/135,746.92 = 55,923.90/x - Step 3: Cross multiply
98,358.99x = 135,746.92 × 55,923.90 - Step 4: Simplify right side
98,358.99x = 7,591,497,179.39 - Step 5: Solve for x
x = 7,591,497,179.39/98,358.99 - Step 6: Final answer
x = 77,181.53
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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.