Finding the Fourth Proportional to 96,723.36, 133,440.12 and 55,860.48
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Solution
The fourth proportional to 96,723.36, 133,440.12 and 55,860.48 is: 77,065.45
Step by Step Solution
- Step 1: Write the proportion equation
96,723.36 : 133,440.12 = 55,860.48 : x - Step 2: Convert to fraction form
96,723.36/133,440.12 = 55,860.48/x - Step 3: Cross multiply
96,723.36x = 133,440.12 × 55,860.48 - Step 4: Simplify right side
96,723.36x = 7,454,029,154.46 - Step 5: Solve for x
x = 7,454,029,154.46/96,723.36 - Step 6: Final answer
x = 77,065.45
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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.