Finding the Fourth Proportional to 96,444.05, 133,019.73 and 84,486.63
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Solution
The fourth proportional to 96,444.05, 133,019.73 and 84,486.63 is: 116,527.55
Step by Step Solution
- Step 1: Write the proportion equation
96,444.05 : 133,019.73 = 84,486.63 : x - Step 2: Convert to fraction form
96,444.05/133,019.73 = 84,486.63/x - Step 3: Cross multiply
96,444.05x = 133,019.73 × 84,486.63 - Step 4: Simplify right side
96,444.05x = 11,238,388,711.21 - Step 5: Solve for x
x = 11,238,388,711.21/96,444.05 - Step 6: Final answer
x = 116,527.55
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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.