Finding the Fourth Proportional to 96,978.96, 133,803.36 and 58,201.02
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Solution
The fourth proportional to 96,978.96, 133,803.36 and 58,201.02 is: 80,300.84
Step by Step Solution
- Step 1: Write the proportion equation
96,978.96 : 133,803.36 = 58,201.02 : x - Step 2: Convert to fraction form
96,978.96/133,803.36 = 58,201.02/x - Step 3: Cross multiply
96,978.96x = 133,803.36 × 58,201.02 - Step 4: Simplify right side
96,978.96x = 7,787,492,031.43 - Step 5: Solve for x
x = 7,787,492,031.43/96,978.96 - Step 6: Final answer
x = 80,300.84
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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.