Finding the Fourth Proportional to 95,979.63, 132,380.47 and 70,477.99
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Solution
The fourth proportional to 95,979.63, 132,380.47 and 70,477.99 is: 97,207.18
Step by Step Solution
- Step 1: Write the proportion equation
95,979.63 : 132,380.47 = 70,477.99 : x - Step 2: Convert to fraction form
95,979.63/132,380.47 = 70,477.99/x - Step 3: Cross multiply
95,979.63x = 132,380.47 × 70,477.99 - Step 4: Simplify right side
95,979.63x = 9,329,909,440.86 - Step 5: Solve for x
x = 9,329,909,440.86/95,979.63 - Step 6: Final answer
x = 97,207.18
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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.