Finding the Fourth Proportional to 83,893.37, 115,746.79 and 47,588.84
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Solution
The fourth proportional to 83,893.37, 115,746.79 and 47,588.84 is: 65,657.81
Step by Step Solution
- Step 1: Write the proportion equation
83,893.37 : 115,746.79 = 47,588.84 : x - Step 2: Convert to fraction form
83,893.37/115,746.79 = 47,588.84/x - Step 3: Cross multiply
83,893.37x = 115,746.79 × 47,588.84 - Step 4: Simplify right side
83,893.37x = 5,508,254,653.15 - Step 5: Solve for x
x = 5,508,254,653.15/83,893.37 - Step 6: Final answer
x = 65,657.81
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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.