Finding the Fourth Proportional to 83,343.16, 115,037.70 and 47,552.68
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Solution
The fourth proportional to 83,343.16, 115,037.70 and 47,552.68 is: 65,636.47
Step by Step Solution
- Step 1: Write the proportion equation
83,343.16 : 115,037.70 = 47,552.68 : x - Step 2: Convert to fraction form
83,343.16/115,037.70 = 47,552.68/x - Step 3: Cross multiply
83,343.16x = 115,037.70 × 47,552.68 - Step 4: Simplify right side
83,343.16x = 5,470,350,936.04 - Step 5: Solve for x
x = 5,470,350,936.04/83,343.16 - Step 6: Final answer
x = 65,636.47
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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.