Finding the Fourth Proportional to 96,220.68, 132,783.66 and 53,203.15
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Solution
The fourth proportional to 96,220.68, 132,783.66 and 53,203.15 is: 73,419.86
Step by Step Solution
- Step 1: Write the proportion equation
96,220.68 : 132,783.66 = 53,203.15 : x - Step 2: Convert to fraction form
96,220.68/132,783.66 = 53,203.15/x - Step 3: Cross multiply
96,220.68x = 132,783.66 × 53,203.15 - Step 4: Simplify right side
96,220.68x = 7,064,508,980.53 - Step 5: Solve for x
x = 7,064,508,980.53/96,220.68 - Step 6: Final answer
x = 73,419.86
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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.